제출 #1006511

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1006511		christinelynn	게임 (IOI14_game)	C++17	컴파일 에러	0 ms	0 KiB

game

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl "\n"

vector < int > freq;

void initialize ( int n ){
    freq.resize(n, 0);
}

bool hasEdge ( int u, int v ){
    freq[u]++;
    freq[v]++;

    if ( max ( freq[u], freq[v]) == freq.size() - 1 ) return true;
    else return false; 
}

컴파일 시 표준 에러 (stderr) 메시지

game.cpp: In function 'bool hasEdge(long long int, long long int)':
game.cpp:16:34: warning: comparison of integer expressions of different signedness: 'const long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     if ( max ( freq[u], freq[v]) == freq.size() - 1 ) return true;
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/cc5zM6hV.o: in function `main':
grader.cpp:(.text.startup+0x2a): undefined reference to `initialize(int)'
/usr/bin/ld: grader.cpp:(.text.startup+0x94): undefined reference to `hasEdge(int, int)'
collect2: error: ld returned 1 exit status