Submission #74961

#	Time	Username	Problem	Language	Result	Execution time	Memory
74961		Vardanyan	Weighting stones (IZhO11_stones)	C++14	0 / 100	1084 ms	2856 KiB

stones

//#pragma GCC optimize "-O3"
#include <bits/stdc++.h>
using namespace std;

int main(){
    set<int,greater<int> > a,b;
    int n;
    scanf("%d",&n);
    for(int i = 1;i<=n;i++){
        int r,s;
        scanf("%d%d",&r,&s);
        if(s == 1) a.insert(r);
        else b.insert(r);
        bool f1 = false,f2 = false;
        if(a.size()>=b.size()){
            f1 = true;
            set<int,greater<int> >::iterator it1 = a.begin(),it2 = b.begin();
            for(;it2!=b.end();it1++,it2++){
                if(*(it1)>*(it2)) continue;
                f1 = false;
                break;
            }
        }
        if(b.size()>=a.size()){
            f2 = true;
             set<int,greater<int> >::iterator it1 = a.begin(),it2 = b.begin();
            for(;it1!=a.end();it1++,it2++){
                if(*(it2)>*(it1)) continue;
                f2 = false;
                break;
            }
        }
        if(f1){
            printf(">\n");
        }
        else if(f2){
            printf("<\n");
        }
        else printf("?\n");
    }
    return 0;
}

Compilation message (stderr)

stones.cpp: In function 'int main()':
stones.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
stones.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&r,&s);
         ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 0 / 100