Submission #92183

#	Time	Username	Problem	Language	Result	Execution time	Memory
92183		CPX	Game (IOI14_game)	C++14	Compilation error	0 ms	0 KiB

game

#include <cstdio>
#include <cassert>

bool vis[2000][2000];
int val[2000][2000];
int ctr[2000];
int n;
void initialize(int n) {
    ::n=n;
    for(int i = 0 ; i<= n ; i++)vis[i][i]=1;
}

int hasEdge(int u, int v) {
    if(vis[u][v])return val[u][v];
    vis[u][v]=vis[v][u]=1;
    ctr[u]++;
    ctr[v]++;
    if(ctr[u]>n-2||ctr[v]>n-2){
        val[u][v]=val[v][u]=1;
        return 1;
    }else{
        val[u][v]=val[v][u]=0;
        return 0;
    }
}

int read_int() {
    int x;
    assert(scanf("%d", &x) == 1);
    return x;
}

int main() {
    int n, u, v;
    n = read_int();
    initialize(n);
    for (int i = 0; i < n * (n - 1) / 2; i++) {
        u = read_int();
        v = read_int();
        printf("%d\n", hasEdge(u, v));
    }
    return 0;
}

Compilation message (stderr)

/tmp/ccEAUakB.o: In function `read_int()':
grader.cpp:(.text+0x0): multiple definition of `read_int()'
/tmp/cc1sQplg.o:game.cpp:(.text+0x110): first defined here
/tmp/ccEAUakB.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/cc1sQplg.o:game.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status