Submission #1126210

#	Time	Username	Problem	Language	Result	Execution time	Memory
1126210		qrn	Weighting stones (IZhO11_stones)	C++17	0 / 100	0 ms	320 KiB

stones

#include <bits/stdc++.h>
using namespace std;

#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")

#define intt long long
#define pb push_back
#define endl "\n"
#define ALL(x) x.begin(), x.end()

void solve() {
    int n;
    cin >> n;
    intt sol = 0, sag = 0;
    for(int i = 0; i < n; i++) {
        int a, b;
        cin >> a >> b;
        if(b == 2) sag += a;
        else sol += a;
        if(sol == sag) {
            cout << "?" << endl;
        } else if(sol < sag) {
            cout << "<" << endl;
        } else {
            cout << ">" << endl;   
        }
    }
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    intt tst = 1;
    // cin >> tst
    while (tst--) {
        solve();
    }
}

• Subtask 1: 0 / 100