2119598_ac_0ms_4k.c

北大大牛代码 1240道题的原代码 超级权威

main(){puts("3\n2 4\n31 97\n2\n2 4\n1 6\n7 12\n10");}
/*
indeed I don't wanna cheat.
so I add some other words oh sound funny !!
Oh life is so dull
I just don't know what to do!!!
God help me!!!!!!!!!!!!!!!!!!!!!!!
*/