제출 #31715

#제출 시각아이디문제언어결과실행 시간메모리
31715top34051게임 (IOI14_game)C++14
15 / 100
0 ms19660 KiB
#include "game.h" #include <bits/stdc++.h> using namespace std; #define maxn 1505 int n, ok; int cnt[maxn]; int edge[maxn][maxn]; vector<int> dst, src; void gentree() { int i,a,b; for(i=1;i<=n;i++) dst.push_back(i); random_shuffle(dst.begin(),dst.end()); src.push_back(dst[0]); for(i=1;i<n;i++) { a = src[rand()%src.size()]; b = dst[i]; src.push_back(b); edge[a][b] = edge[b][a] = 1; } } void initialize(int N) { int i,x; n = N; if(n>4) gentree(); else { ok = n*(n-1)/2 - (n-1); memset(cnt,0,sizeof(cnt)); } } int hasEdge(int u, int v) { if(n>4) return edge[u][v]; if(ok && cnt[u]+1<n-1 && cnt[v]+1!=n-1) { cnt[u]++; cnt[v]++; ok--; return 0; } return 1; }

컴파일 시 표준 에러 (stderr) 메시지

game.cpp: In function 'void initialize(int)':
game.cpp:25:9: warning: unused variable 'i' [-Wunused-variable]
     int i,x;
         ^
game.cpp:25:11: warning: unused variable 'x' [-Wunused-variable]
     int i,x;
           ^
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