Submission #65076

#	Time	Username	Problem	Language	Result	Execution time	Memory
65076		theknife2001	Game (IOI13_game)	C++17	Compilation error	0 ms	0 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 tree[N*4][2055];
int n,m;

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

void up(int l , int r , int node , int ind , long long val , int lev)
{
    if(l==r&&l==ind)
    {
        tree[node][lev]=val;
        return ;
    }
    if(ind<=mid)
        up(l,mid,node*2,ind,val,lev);
    else
        up(mid+1,r,node*2+1,ind,val,lev);
    tree[node][lev]=gcd2(tree[node*2][lev],tree[node*2+1][lev]);
}

long long query(int l , int r , int node , int x , int y , int lev)
{
    if(x<=l&&r<=y)
        return tree[node][lev];
    if(l>y||r<x)
        return 0;
    long long temp1=0;
    long long temp2=0;
    temp1=query(l,mid,node*2,x,y,lev);
    temp2=query(mid+1,r,node*2+1,x,y,lev);
    return gcd2(temp1,temp2);

}


void update(int P, int Q, long long K)
{
  	if(n<105)
    up(0,m-1,1,Q,K,P);
}

long long calculate(int P, int Q, int U, int V)
{
    long long ans=0;
    for(int i=P;i<=U;i++)
    {
      else
       	ans++;
      if(n<105)
        ans=gcd2(ans,query(0,m-1,1,Q,V,i));
    }
    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;
      ^~~
game.cpp: In function 'long long int calculate(int, int, int, int)':
game.cpp:69:7: error: 'else' without a previous 'if'
       else
       ^~~~