2 条题解
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#include<bits/stdc++.h> using namespace std; int main() { int a,b; cin>>a>>b; if(a%40&&a%100!=0||a%4000){ if(b2){ cout<<"29"; } else if(a%4!=0&&b2){ cout<<"28"; } } if(b1||b3||b5||b7||b8||b10||b12){ cout<<"31"; } else if(b4||b6||b9||b==11){ cout<<"30"; } return 0; }
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mc.fyy.player LV 4 @ 2026-2-1 9:59:36
#include<bits/stdc++.h> using namespace std; int main() { int a,b; cin>>a>>b; if(a%40&&a%100!=0||a%4000){ if(b2){ cout<<"29"; } else if(a%4!=0&&b2){ cout<<"28"; } } if(b1||b3||b5||b7||b8||b10||b12){ cout<<"31"; } else if(b4||b6||b9||b==11){ cout<<"30"; } return 0; }
mc.fyy.player
LV 4
@ 2026-2-1 9:59:55
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