data.txt

c++课程中要求的实现KNN的问题。解决了数据的产生问题

0.587046 0.676431 0.451205 
0.802651 0.674770 0.475519 
0.303065 0.325832 0.333473 
0.548169 0.674286 0.446725 
0.475153 0.416877 0.384529 
0.654749 0.513454 0.441739 
0.424837 0.332072 0.123123 
0.314184 0.234887 0.459658 
0.589425 0.408134 0.491195 
0.585022 0.604284 0.736747 
0.443567 0.554861 0.457305 
0.581441 0.612083 0.647811 
0.738779 0.739195 0.846529 
0.474910 0.760502 0.601802 
0.308012 0.287729 0.245350 
0.348485 0.278350 0.447325 
0.236169 0.303222 0.443366 
0.414133 0.619380 0.658708 
0.537546 0.626476 0.601047 
0.605653 0.676390 0.692413 
0.294781 0.225715 0.361672 
0.452101 0.355884 0.643323 
0.262899 0.353189 0.355408 
0.509091 0.305420 0.666064 
0.303072 0.334849 0.224715 
0.542926 0.573127 0.470361 
0.189618 0.404141 0.350331 
0.795214 0.824144 0.735817 
0.804132 0.697958 0.626088 
0.587663 0.605995 0.644746 
0.751239 0.691600 0.756416 
0.668429 0.609314 0.808136 
0.748609 0.528018 0.684065 
0.537609 0.456893 0.493916 
0.706365 0.662554 0.560004 
0.311917 0.226319 0.402650 
0.646256 0.529901 0.560926 
0.384849 0.538401 0.375373 
0.334347 0.492773 0.446937 
0.388963 0.489699 0.206149 
0.592299 0.344079 0.343111 
0.590241 0.621482 0.568086 
0.309490 0.403461 0.297455 
0.495820 0.317008 0.348035 
0.379948 0.404406 0.287242 
0.606193 0.823181 0.511176 
0.671058 0.513069 0.743331 
0.579260 0.402510 0.265368 
0.414269 0.626945 0.329647 
0.354346 0.345059 0.476564 
0.615897 0.489945 0.576216 
0.468347 0.515817 0.607131 
0.607519 0.504821 0.636340 
0.696677 0.384399 0.369622 
0.545771 0.382005 0.480104 
0.589033 0.742215 0.699820 
0.335300 0.355954 0.398379 
0.487124 0.373516 0.572693 
0.682215 0.612150 0.567935 
0.584218 0.529121 0.393391 
0.469130 0.644494 0.467205 
0.686396 0.558926 0.492890 
0.514768 0.402989 0.473216 
0.452179 0.654169 0.465019 
0.289833 0.144343 0.288594 
0.159030 0.309583 0.462446 
0.600682 0.179462 0.712517 
0.872671 0.627129 0.805782 
0.648008 0.577324 0.667548 
0.542975 0.374336 0.536957 
0.253877 0.282649 0.728070 
0.525457 0.686534 0.330690 
0.462835 0.527997 0.502225 
0.417646 0.346708 0.364068 
0.423416 0.517024 0.569555 
0.650626 0.509057 0.651194 
0.391416 0.410094 0.411326 
0.544656 0.270917 0.571036 
0.221761 0.257673 0.309591 
0.725910 0.733828 0.438270 
0.115457 0.209618 0.113079 
0.452041 0.197542 0.247051 
0.378334 0.404039 0.411969 
0.530087 0.549075 0.367019 
0.450120 0.499740 0.389017 
0.434939 0.768983 0.525195 
0.607711 0.757400 0.767217 
0.348861 0.445333 0.687418 
0.506001 0.512617 0.645831 
0.235324 0.300561 0.189998 
0.296856 0.316973 0.277708 
0.787295 0.773058 0.725972 
0.149925 0.289686 0.340687 
0.545070 0.360041 0.321306 
0.721114 0.733739 0.825123 
0.483330 0.510748 0.523638 
0.218277 0.425759 0.331733 
0.688313 0.597771 0.521405 
0.218905 0.497003 0.394966 
0.565182 0.809347 0.608502 
0.199426 0.069869 0.304972 
0.607009 0.338223 0.247981 
0.419558 0.190511 0.210512 
0.622441 0.598832 0.752237 
0.144455 0.345635 0.387714 
0.671097 0.683295 0.636421 
0.298860 0.374025 0.324826 
0.823697 0.398390 0.343879 
0.485278 0.677612 0.314054 
0.173203 0.119196 0.116550 
0.440747 0.246448 0.418673 
0.735840 0.562950 0.498628 
0.555381 0.754776 0.646385 
0.527447 0.534836 0.552910 
0.357446 0.536462 0.287311 
0.277759 0.397552 0.443101 
0.648852 0.424957 0.456237 
0.699242 0.640271 0.547935 
0.932924 0.928505 0.924209 
0.374416 0.291236 0.366972 
0.606911 0.484672 0.540577 
0.493894 0.439081 0.284378 
0.666930 0.736244 0.593804 
0.717836 0.867932 0.742092 
0.674344 0.704377 0.623476 
0.465949 0.590378 0.464746 
0.526536 0.512643 0.678861 
0.271661 0.215629 0.317788 
0.729798 0.710654 0.847918 
0.317397 0.525410 0.270295 
0.441052 0.207787 0.435758 
0.303982 0.213670 0.394363 
0.530553 0.591103 0.583750 
0.542285 0.514929 0.543542 
0.441688 0.392667 0.420474 
0.322771 0.224362 0.639853 
0.630944 0.563699 0.581198 
0.512394 0.778451 0.563521 
0.713274 0.782860 0.864412 
0.647885 0.644165 0.627625 
0.729343 0.608641 0.348438 
0.887574 0.718050 0.604496 
0.613595 0.629628 0.658355 
0.241449 0.337259 0.356226 
0.379829 0.486812 0.424719 
0.659637 0.551347 0.350373 
0.480426 0.435707 0.449357 
0.394901 0.727821 0.783342 
0.351542 0.461530 0.479967 
0.458879 0.665874 0.370441 
0.760346 0.754481 0.837631 
0.180722 0.550173 0.372380 
0.550613 0.606298 0.474914 
0.344419 0.341956 0.443268 
0.628927 0.742221 0.616248 
0.307957 0.240583 0.435621 
0.527893 0.598009 0.489931 
0.701958 0.622112 0.484914 
0.479513 0.777579 0.643662 
0.262030 0.153627 0.116646 
0.353274 0.327056 0.142449 
0.332002 0.424875 0.555084 
0.511929 0.583910 0.462772 
0.514268 0.522656 0.713190 
0.328677 0.531031 0.444347 
0.164604 0.263773 0.302389 
0.605706 0.723491 0.894687 
0.363757 0.283096 0.564915 
0.634831 0.680072 0.807872 
0.503042 0.460949 0.711476 
0.294626 0.408947 0.625569 
0.693099 0.743128 0.647822 
0.317018 0.233601 0.206851 
0.266001 0.314650 0.380438 
0.464761 0.622872 0.455963 
0.510320 0.590421 0.418074 
0.446252 0.368926 0.586750 
0.214616 0.510103 0.708919 
0.635304 0.383121 0.295458 
0.208153 0.285408 0.332483 
0.508046 0.487664 0.696999 
0.280939 0.492453 0.317310 
0.362394 0.432603 0.366141 
0.386406 0.360512 0.584604 
0.309512 0.239651 0.346830 
0.343464 0.253957 0.555964 
0.462254 0.571594 0.481488 
0.753925 0.835584 0.737344 
0.256512 0.320901 0.506909 
0.725696 0.769416 0.750470 
0.762656 0.811951 0.792775 
0.497499 0.307727 0.211834 
0.356734 0.471265 0.507186 
0.559410 0.302127 0.475419 
0.395977 0.636295 0.489167 
0.595595 0.647402 0.630381 
0.496942 0.499147 0.485676 
0.878624 0.895057 0.832417 
0.347982 0.252542 0.127312 
0.672024 0.887983 0.735168 
0.712619 0.500252 0.235385 
0.333358 0.315425 0.230363 
0.130613 0.176664 0.170735 
0.636001 0.753476 0.600512 
0.728117 0.446029 0.526071 
0.915100 0.440293 0.446481 
0.592811 0.506988 0.643327 
0.269311 0.288028 0.418673 
0.314474 0.172970 0.353706 
0.364302 0.400230 0.634711 
0.809199 0.754154 0.873397 
0.627769 0.500026 0.486116 
0.359469 0.263707 0.264181 
0.455327 0.485766 0.239973 
0.693070 0.491112 0.699725 
0.371794 0.725531 0.476728 
0.299648 0.401698 0.549790 
0.554084 0.376184 0.517713 
0.215222 0.501755 0.360204 
0.128925 0.419458 0.597618 
0.649845 0.692802 0.622074 
0.310297 0.320134 0.324676 
0.639550 0.818781 0.542677 
0.707307 0.654811 0.433622 
0.359283 0.349639 0.466559 
0.532289 0.714218 0.343172 
0.727135 0.615489 0.462698 
0.445201 0.379065 0.552637 
0.366275 0.589140 0.488537 
0.729675 0.686006 0.802343 
0.458534 0.296887 0.355331 
0.415259 0.299544 0.188363 
0.278082 0.170706 0.426788 
0.607427 0.416138 0.335668 
0.480496 0.489043 0.255871 
0.427918 0.468437 0.390856 
0.538621 0.408711 0.671004 
0.557923 0.681960 0.601146 
0.507331 0.633598 0.414173 
0.270879 0.350645 0.330836 
0.612082 0.706803 0.436966 
0.467151 0.228508 0.398490 
0.678106 0.599814 0.710270 
0.656398 0.673989 0.393603 
0.742822 0.732191 0.654264 
0.407255 0.395800 0.439079 
0.469764 0.401439 0.665313 
0.708767 0.679584 0.517957 
0.679378 0.671118 0.766909 
0.625682 0.338089 0.677880 
0.621447 0.841360 0.550316 
0.299337 0.310097 0.341401 
0.222614 0.206492 0.478362 
0.576844 0.692216 0.761642 
0.234018 0.360926 0.433499 
0.620705 0.666798 0.335868 
0.421862 0.517426 0.347891 
0.314601 0.356559 0.269328 
0.795689 0.602070 0.688607 
0.746340 0.583868 0.744135 
0.736806 0.858197 0.894574 
0.385800 0.598295 0.542746 
0.304800 0.382167 0.373490 
0.507977 0.677549 0.535138 
0.322861 0.367016 0.431923 
0.851341 0.839797 0.787118 
0.724684 0.551758 0.556836 
0.107065 0.120426 0.116605 
0.526083 0.482647 0.700642 
0.656756 0.751068 0.748156 
0.559755 0.423396 0.395034 
0.526883 0.235767 0.549615 
0.678205 0.565985 0.642281 
0.161312 0.220764 0.241051 
0.424112 0.350282 0.291739 
0.495966 0.436944 0.396477 
0.297046 0.217285 0.250005 
0.501063 0.645057 0.572346 
0.554204 0.365134 0.559223 
0.491274 0.557133 0.574049 
0.317480 0.497365 0.693899 
0.726308 0.562451 0.542535 
0.844422 0.833559 0.828870 
0.516832 0.654398 0.797916 
0.892612 0.846959 0.917523 
0.414150 0.482231 0.637693 
0.275604 0.289027 0.455603 
0.390537 0.501133 0.582221 
0.409005 0.407668 0.391005 
0.538868 0.620197 0.569443 
0.643478 0.559042 0.681723 
0.624191 0.436124 0.437838 
0.785190 0.552866 0.673480 
0.155754 0.155171 0.150516 
0.665898 0.340962 0.601466 
0.381598 0.579237 0.690400 
0.361247 0.743378 0.393040 
0.431484 0.177035 0.458926 
0.339736 0.493238 0.574295 
0.648262 0.848304 0.751336 
0.073952 0.104640 0.085942 
0.519179 0.656242 0.617450 
0.390216 0.314318 0.250207 
0.713396 0.588562 0.837145 
0.447136 0.558881 0.561138 
0.406183 0.531307 0.622189 
0.530265 0.514010 0.568048 
0.814379 0.701252 0.806370 
0.535455 0.214791 0.482062 
0.379761 0.348564 0.295052 
0.369028 0.661012 0.383516 
0.427336 0.395395 0.412720 
0.304473 0.302822 0.425421 
0.377240 0.717617 0.487771 
0.655742 0.433839 0.496375 
0.760020 0.876313 0.511011 
0.429240 0.327074 0.295232 
0.358150 0.373737 0.763856 
0.279527 0.335748 0.275439 
0.860231 0.911493 0.768240 
0.367059 0.293939 0.407119 
0.473788 0.717274 0.570527 
0.525133 0.507868 0.529516 
0.316627 0.298211 0.284787 
0.604249 0.477770 0.414334 
0.459192 0.283409 0.177074 
0.748065 0.612310 0.769328 
0.272559 0.249658 0.294885 
0.266968 0.364282 0.276432 
0.255809 0.609512 0.561633 
0.520816 0.559315 0.816747 
0.544754 0.619742 0.639850 
0.445959 0.602957 0.619958 
0.524070 0.588846 0.653709 
0.854819 0.731919 0.784398 
0.661198 0.605237 0.468329 
0.593081 0.522852 0.610042 
0.231840 0.273115 0.441027 
0.459446 0.367131 0.585453 
0.396729 0.428243 0.487385 
0.624298 0.655326 0.786998 
0.710450 0.510982 0.317586 
0.553798 0.521243 0.313459 
0.725315 0.887696 0.863993 
0.157893 0.440823 0.292180 
0.306304 0.223583 0.400103 
0.394419 0.290682 0.436729 
0.763965 0.606342 0.780454 
0.225231 0.416037 0.381682 
0.311175 0.215576 0.388225 
0.528493 0.698579 0.670875 
0.482460 0.216366 0.534030 
0.395246 0.526869 0.671134 
0.796026 0.763263 0.757097 
0.497014 0.403533 0.427924 
0.540628 0.492825 0.215242 
0.578103 0.466804 0.479461 
0.568694 0.757975 0.441237 
0.757425 0.752220 0.833811 
0.565185 0.485726 0.508493 
0.242404 0.252040 0.355832 
0.492850 0.458285 0.374406 
0.280094 0.397923 0.417322 
0.473178 0.474836 0.590180 
0.098330 0.125830 0.177006 
0.729763 0.554345 0.776746 
0.506115 0.260487 0.290529 
0.575473 0.421790 0.622690 
0.318482 0.219332 0.346795 
0.511915 0.264351 0.516804 
0.507956 0.201825 0.384705 
0.394281 0.493588 0.741972 
0.168411 0.228157 0.497777 
0.440307 0.726130 0.449701 
0.266102 0.250123 0.278050 
0.806095 0.808806 0.682594 
0.532990 0.650804 0.694590 
0.249705 0.737523 0.389431 
0.661707 0.706827 0.461081 
0.452322 0.551706 0.359387 
0.861210 0.875919 0.859691 
0.566584 0.535834 0.657370 
0.854629 0.894656 0.894412 
0.461731 0.410857 0.310218 
0.821281 0.657279 0.623250 
0.725805 0.731501 0.680881 
0.771393 0.754166 0.707633 
0.554820 0.388568 0.290720 
0.414695 0.790313 0.564669 
0.125225 0.359648 0.356399 
0.525171 0.317512 0.469735 
0.052416 0.203718 0.181776 
0.547081 0.460441 0.409818 
0.202476 0.346354 0.451903 
0.140503 0.300286 0.198756 
0.629668 0.466915 0.596310 
0.421455 0.258047 0.354373 
0.195270 0.301454 0.131194 
0.328563 0.172811 0.285089 
0.476833 0.502232 0.555253 
0.375727 0.395839 0.387038 
0.660261 0.426962 0.493422 
0.698441 0.714106 0.720117 
0.740070 0.793152 0.789267 
0.185133 0.613160 0.638336 
0.525627 0.398809 0.649892 
0.386675 0.482035 0.496872 
0.308021 0.261060 0.297095 
0.806521 0.840019 0.737504 
0.301612 0.347900 0.244955 
0.378134 0.438668 0.451211 
0.299801 0.186809 0.401509 
0.843898 0.529066 0.519520 
0.686825 0.653060 0.627093 
0.331846 0.375248 0.366395 
0.564151 0.280923 0.393581 
0.217831 0.157110 0.131056 
0.420511 0.553039 0.467595 
0.728203 0.704264 0.738894 
0.522940 0.257754 0.482589 
0.589590 0.715780 0.694691 
0.335459 0.269017 0.339370 
0.656853 0.451242 0.334973 
0.306829 0.455818 0.468623 
0.491755 0.527821 0.275172 
0.674941 0.735940 0.747999 
0.811964 0.587608 0.610774 
0.651292 0.216538 0.362676 
0.471326 0.445332 0.316687 
0.451792 0.458314 0.478944 
0.165186 0.247653 0.263695 
0.497479 0.553260 0.385309 
0.728230 0.768753 0.760135 
0.424407 0.453721 0.379082 
0.204376 0.251745 0.386831 
0.804075 0.736006 0.617181 
0.265528 0.623063 0.619481 
0.303103 0.225421 0.173340 
0.408122 0.394658 0.377890 
0.553289 0.513541 0.504141 
0.603049 0.329955 0.457541 
0.659979 0.524370 0.739874 
0.766925 0.408613 0.664239 
0.396749 0.489635 0.660049 
0.587610 0.820059 0.715504 
0.247584 0.697446 0.496939 
0.481347 0.543241 0.452111 
0.430380 0.400822 0.636799 
0.243982 0.466187 0.601883 
0.178360 0.376049 0.353730 
0.593901 0.686847 0.600749 
0.575954 0.417237 0.469317 
0.417288 0.250069 0.409764