This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#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[2005][2005];
int r,c;
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;}
void update(int P, int Q, long long K){g[P][Q]=K;}
long long calculate(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;
}
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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