为什末无法运行啊(vscode)
#include
using namespace std;
int main()
{
int year,month,i,j;
int a[7]={1,3,5,7,8,10,12};
int b[4]={4,6,9,11};
cin >> year;
cin >>month;
if(year%4==0&&year%100!=0){
if(month==2){cout<<"29";}
}
for (i=0;i<7;i++){
if(month==a[i])
cout<<"31";
}
for (j=0;j<4;j++){
if(month==a[j])
cout<<"30";
}
if(month==2)
cout<<"29";
}