Submission #168348

#	Time	Username	Problem	Language	Result	Execution time	Memory
168348		mat_v	Game (IOI14_game)	C++14	Compilation error	0 ms	0 KiB

game

#include <bits/stdc++.h>
#include "game.h"
#define maxn
using namespace std;
int dsu[2505];
int ima[2505][2505];
vector<int> graf[2505];
bool bio[2505];
int n;
void init(){
    for(int i=1; i<=n; i++)dsu[i] = i;
}
int findpar(int x){
    if(x == dsu[x])return x;
    return dsu[x] = findpar(dsu[x]);
}
int uk = 0;
void unite(int x, int y){
    uk--;
    int a = findpar(x);
    int b = findpar(y);
    dsu[a] = b;
}
void dfs(int x){
    bio[x] = 1;
    for(int i=1; i<=n; i++){
        if(!bio[i]){
            if(ima[x][i] != 2)dfs(i);
        }
    }
}
void probaj(int src){
    for(int i=1; i<=n; i++)bio[i] = 0;
    dfs(src);
}

void initialize(int m) {
    n = m;
    uk = n;
    init();
}

int hasEdge(int u, int v) {
    probaj(u);
    if(bio[v]){
        ima[u][v] = ima[v][u] = 2;
        return 0;
    }
    else{
        ima[u][v] = ima[v][u] = 1;
        return 1;
    }
}

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

Compilation message (stderr)

game.cpp: In function 'int main()':
game.cpp:57:9: error: 'read_int' was not declared in this scope
     a = read_int();
         ^~~~~~~~
game.cpp:57:9: note: suggested alternative: 'rewind'
     a = read_int();
         ^~~~~~~~
         rewind
game.cpp:62:32: error: 'u' was not declared in this scope
         printf("%d\n", hasEdge(u, v));
                                ^
game.cpp:62:35: error: 'v' was not declared in this scope
         printf("%d\n", hasEdge(u, v));
                                   ^