제출 #754182

#제출 시각아이디문제언어결과실행 시간메모리
754182nicksms마상시합 토너먼트 (IOI12_tournament)C++17
100 / 100
250 ms5852 KiB
#include <bits/extc++.h> int ans[100001],cl[100000],cr[100000]; int GetBestPosition(int N, int C, int R, int *K, int *S, int *E) { struct p {int x,y;}; __gnu_cxx::rope<p> g; int cnt = 0; for (int i = 0; i < N-1; i++) if (K[i] > R) { cl[i+1]++; cr[i]++; cnt++; } for (int i = 1; i < N; i++) cl[i]+=cl[i-1]; for (int i = N-2; i >= 0; i--) cr[i]+=cr[i+1]; for (int i = 0; i < N; i++) g.push_back({i,i}); for (int i = 0; i < C; i++) { int l=g[S[i]].x,r=g[E[i]].y; g.erase(S[i],E[i]-S[i]+1); g.insert(S[i],{l,r}); if (cl[l]+cr[r]==cnt) ans[l]++,ans[r+1]--; } for (int i = 1; i <= N; i++) ans[i] += ans[i-1]; return std::max_element(ans,ans+N)-ans; }
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