Submission #65090

#	Time	Username	Problem	Language	Result	Execution time	Memory
65090		theknife2001	Game (IOI13_game)	C++17	0 / 100	6 ms	1312 KiB

game

#include "game.h"
#include <bits/stdc++.h>
#define mid (l+r)/2


using namespace std;


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;
}

const int N=2055;
long long sp[N][N][11];
int n,m;

void init(int R, int C)
{
    n=R;
    m=C;
}



void update(int P, int Q, long long K)
{
    sp[P][Q][0]=K;
    for(int i=1;i<=10;i++)
    {
        for(int j=0;j<m;j++)
        {
            sp[P][j][i]=gcd2(sp[P][j+(1<<(i-1))][i-1],sp[P][j][i-1]);
        }
    }
}

long long calculate(int P, int Q, int U, int V)
{
    long long ans=0;
    int l=0;
    for(int i=10;i>=0;i--)
    {
        if((V-Q)&(1<<i))
        {
            l=i;
            break;
        }
    }
    for(int i=P;i<=U;i++)
    {
        ans=gcd2(sp[i][Q][l],gcd2(sp[i][V-(1<<l)][l],ans));
    }
    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;
      ^~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 27
• Subtask 3: 0 / 26
• Subtask 4: 0 / 17
• Subtask 5: 0 / 20