제출 #17739

#제출 시각아이디문제언어결과실행 시간메모리
17739Elibay돌 무게 재기 (IZhO11_stones)C++98
8 / 100
470 ms1720 KiB
#include <bits/stdc++.h>
#define Fname ""
 
using namespace std;
 
const int MaxN = 3e5 + 17, INF = 1e9 + 17, Mod = 1e9 + 7;
 
double x, y, Sx, Sy, Mx, My;
int n;
 
int main ()
{
    #ifdef Elibay
        freopen (".in", "r", stdin);
    #endif
    cin >> n;
    for (int i = 1; i <= n; ++ i)
    {
        cin >> x >> y;
        if (y == 2)
            Mx += x + 0.99, Sx += x;
        else
            My += x + 0.99, Sy += x;
        if (Mx > My && Sx > Sy && Sx > My)
            puts ("<");
        else if (My > Mx && Sy > Sx && Sy > Mx)
            puts (">");
        else
            puts ("?");
    }
    return 0;
}
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