제출 #1084074

#제출 시각아이디문제언어결과실행 시간메모리
1084074KasymK게임 (IOI14_game)C++17
컴파일 에러
0 ms0 KiB
#include "bits/stdc++.h" using namespace std; #define ff first #define ss second #define all(v) v.begin(), v.end() #define ll long long #define pb push_back #define pii pair<int, int> #define pli pair<ll, int> #define pll pair<ll, ll> #define tr(i, c) for(auto i = c.begin(); i != c.end(); ++i) #define wr puts("----------------") template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;} template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;} const int N = 2e3+5; int num_comp, cnt; bool start = false; int rep[N], sz[N]; int find(int x){ if(rep[x] == x) return x; return rep[x] = find(rep[x]); } void merge(int a, int b){ int x = find(a), y = find(b); assert(x != y); // ikisi bir componentda dal if(sz[y] > sz[x]) swap(x, y); sz[x] += sz[y]; rep[y] = x; } void initialize(int n){ num_comp = n; for(int i = 1; i <= n; ++i) rep[i] = i, sz[i] = 1; return; } int has_edge(int u, int v){ u++, v++; if(find(u) == find(v)) return 1; // componentlan sany uytganok // diymek ikisi bir componentda dal if(start) return 0; merge(u, v); // componentlardan bir san ayyrylyar num_comp--; if(num_comp == 2) start = true; }

컴파일 시 표준 에러 (stderr) 메시지

game.cpp: In function 'int has_edge(int, int)':
game.cpp:53:1: warning: control reaches end of non-void function [-Wreturn-type]
   53 | }
      | ^
/usr/bin/ld: /tmp/ccyMapjX.o: in function `main':
grader.cpp:(.text.startup+0x94): undefined reference to `hasEdge(int, int)'
collect2: error: ld returned 1 exit status