Submission #140438

#	Time	Username	Problem	Language	Result	Execution time	Memory
140438		cfalas	Game (IOI13_game)	C++14	0 / 100	2 ms	400 KiB

game

#include<bits/stdc++.h>
using namespace std;

#include "game.h"

long long gcd(long long X, long long Y) {
    long long tmp;
    while (X != Y && Y != 0) {
        tmp = X;
        X = Y;
        Y = tmp % Y;
    }
    return X;
}

int rows, c;
int seg[10000];
int a[11][10000];

void init(int R, int C) {
	rows = R, c = C;
}

void updateseg(int pos, int val, int l=0, int r=c-1, int ind=1){
	if(l==r && l==pos){
		seg[ind] = val;
		return;
	}
	if(pos<l || pos>r) return;
	int m = (l+r)/2;
	updateseg(pos, val, l, m, ind*2);
	updateseg(pos, val, m+1, r, ind*2+1);
	seg[ind] = gcd(seg[ind*2], seg[ind*2+1]);
}

int query(int rl, int rr, int l=0, int r=c-1, int ind=1){

}

void update(int P, int Q, long long K) {
	a[P][Q] = K;
	/*int anspos = 0;
	for(int i=0;i<rrows;i++){
		anspos = gcd(anspos, a[i][Q]);
	}
	updateseg(Q, anspos);*/
}

long long calculate(int P, int Q, int U, int V) {
	//cout<<"-----------------------\n";
	//cout<<P<<" "<<Q<<" "<<U<<" "<<V<<endl;
	long long ans=0;
	for(int i=P;i<=U;i++){
		for(int j=Q;j<=V;j++){
			//cout<<a[i][j]<<" ";
			ans = gcd(ans, a[i][j]);
		}
		//cout<<endl;
	}
	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 'int query(int, int, int, int, int)':
game.cpp:38:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^

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