제출 #304145

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
304145	2020-09-21 03:32:55	kkm0476	자매 도시 (APIO20_swap)	C++17	6 / 100	2074 ms	22884 KiB

swap

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#include "swap.h"
#include <vector>
#include <utility>
#include <iostream>
#include <algorithm>
std::vector<int> r[100010];
std::vector<std::pair<int, int> > w, w1;
int mx_ = 0;
int subt = 1;
bool cmp(std::pair<int, int> a, std::pair<int, int> b) {
    return a.first < b.first;
}
void init(int N, int M, std::vector<int> U, std::vector<int> V, std::vector<int> W) {
    std::vector<int> next[N + 1];
    for(int i = 0; i < M; i++) {
        r[U[i]].push_back(i);
        r[V[i]].push_back(i);
        next[U[i]].push_back(V[i]);
        next[V[i]].push_back(U[i]);
        mx_ = std::max(mx_, W[i]);
        w.push_back({W[i], i});
        w1.push_back({W[i], i});
    }
    
    for(int i = 0; i < N; i++)
 
 
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컴파일 시 표준 에러 (stderr) 메시지

swap.cpp: In function 'void init(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
swap.cpp:33:46: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   33 |     if(N > 3 && M == N - 1 && next[0].size() == M)
      |                               ~~~~~~~~~~~~~~~^~~~

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