Submission #835017

#TimeUsernameProblemLanguageResultExecution timeMemory
835017AndrijaMCave (IOI13_cave)C++14
0 / 100
364 ms432 KiB
#include <bits/stdc++.h> #include "cave.h" using namespace std; const long long mod=1e9+7; const long long maxn=2e5+10; const long long logn=20; long long di[8]={-1,-1,0,1,1,1,0,-1}; long long dj[8]={0,1,1,1,0,-1,-1,-1}; void exploreCave(int n) { int a[n]; int s[n]; bool vis[n]; memset(vis,0,sizeof vis); int d[n]; int pr=-1; for(int i=0;i<n;i++) { for(int ci=0;ci<n;ci++) { a[ci]=s[ci]; } int p=tryCombination(a); if(p==pr) { int sw=0; int l=0; int r=n; while(l<r) { int mid=l+(r-l)/2; for(int ci=0;ci<n;ci++) { a[ci]=s[ci]; } for(int idx=mid;idx<n;idx++) { if(!vis[idx]) { a[idx]=sw; } } int pom=tryCombination(a); if(pom>p) { l=mid+1; } else { r=mid; } } vis[l]=1; s[l]=sw; d[i]=l; } else { int sw=1; int l=0; int r=n; while(l<r) { int mid=l+(r-l)/2; for(int ci=0;ci<n;ci++) { a[ci]=s[ci]; } for(int idx=mid;idx<n;idx++) { if(!vis[idx]) { a[idx]=sw; } } int pom=tryCombination(a); if(pom>p) { l=mid+1; } else { r=mid; } } vis[l]=1; s[l]=sw; d[i]=l; } } answer(s,d); }
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