📄 p2.cpp
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#include <iostream.h>int main(){ int y,m,n; while(cin>>y>>m) { if((y%4==0&&y%100!=0)||(y%400==0)) {n=29;} else {n=28;} switch(m) { case 1: cout<<"31"<<endl;break; case 2: cout<<n<<endl;break; case 3: cout<<"31"<<endl;break; case 4: cout<<"30"<<endl;break; case 5: cout<<"31"<<endl;break; case 6: cout<<"30"<<endl;break; case 7: cout<<"31"<<endl;break; case 8: cout<<"31"<<endl;break; case 9: cout<<"30"<<endl;break; case 10: cout<<"31"<<endl;break; case 11: cout<<"30"<<endl;break; case 12: cout<<"31"<<endl;break; } }}
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