29 lines
521 B
C++
29 lines
521 B
C++
#include <iostream>
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using namespace std;
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int main()
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{
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int year ,month,day,ans=1,a[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
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cin>>year>>month>>day;
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ans+=year-1980;
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if(month>3){
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year++;
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}
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for(int i=1980;i<year;i+=4){
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if(i%100!=0){
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ans++;
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}
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if(i%400==0){
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ans++;
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}
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}
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for(int i=1;i<month;i++){
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ans+=a[i];
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}
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ans+=day;
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ans%=7;
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if(ans==0){
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ans=7;
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}
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cout<<ans;
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}
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