제출 #166212

#제출 시각아이디문제언어결과실행 시간메모리
166212Dovran돌 무게 재기 (IZhO11_stones)C++11
0 / 100
1067 ms880 KiB
#include <bits/stdc++.h> #define N 100009 #define pii pair <int, int> #define ff first #define ss second #define pb push_back #define ll long long using namespace std; int n, v[N], c[N]; vector<int>a, b; int r, l; int main(){ cin>>n; for(int i=1; i<=n; i++){ int x, y; cin>>x>>y; if(y==1){ a.pb(x), l=max(l, x); for(int j=x; j>=1; j--) c[j]--; } else{ b.pb(x), r=max(r, x); for(int j=x; j>=1; j--) c[j]++; } int mn=1e9, mx=0; for(int j=n; j>=1; j--){ mn=min(mn, c[j]); mx=max(mx, c[j]); } if(l>r and mx<=0) cout<<">\n"; else if(r>l and mn>=0) cout<<"<\n"; else cout<<"?\n"; } }
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