Submission #30007

#TimeUsernameProblemLanguageResultExecution timeMemory
30007inqrGame (IOI13_game)C++14
0 / 100
13000 ms80184 KiB
#include "game.h" #include <bits/stdc++.h> #define pb push_back #define mp make_pair #define rt insert #define st first #define nd second #define ll long long #define DB printf("debug\n"); using namespace std; long long g[100][100000]; int r,c,q; long long kok[10][320]; long long gcd2(long long X, long long Y) { long long tmp; while (X != Y && Y != 0) { tmp = X; X = Y; Y = tmp % Y; } return X; } void init(int R, int C){ r=R;c=C,q=(int)(sqrt(C)); for(int i=0;i<r;i++){ for(int j=0;j<c;j++){ kok[i][j/q]=gcd2(kok[i][j/q],g[i][j]); } } } void update(int P, int Q, long long K){ if(kok[P][Q/q]==g[P][Q]){ g[P][Q]=K; kok[P][Q/q]=0; for(int i=Q/q*q;i<Q/q*q+q;i++){ kok[P][Q/q]=gcd2(kok[P][Q/q],g[P][i]); } } g[P][Q]=K; kok[P][Q/q]=gcd2(kok[P][Q/q],g[P][Q]); } long long calculate2(int P, int Q, int U, int V) { long long ans=g[P][Q]; for(int i=P;i<=U;i++){ for(int j=Q;j<=V;j++){ ans=gcd2(ans,g[i][j]); } } return ans; } long long calculate3(int P, int Q, int U, int V) { long long ans=g[P][Q]; for(int i=P;i<=U;i++){ for(int j=Q;j<=V;j++){ if(Q<=j-q && j+q<=V){ ans=gcd2(ans,kok[i][j/q]); j+=q-1; } else ans=gcd2(ans,g[i][j]); } } return ans; } long long calculate(int P, int Q, int U, int V) { return calculate3(P,Q,U,V); if(r<=100 and c<=100)return calculate2(P,Q,U,V); }

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:18:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
  int res;
      ^
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