제출 #573696

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
573696	2022-06-07 05:37:29	teraqqq	화성 (APIO22_mars)	C++17	100 / 100	1449 ms	4964 KiB

mars

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#include "mars.h"
#include <numeric>
#include <iostream>
#include <map>
using namespace std;
using pi = pair<int, int>;
struct Dsu {
  vector<int> p, c;
  Dsu (int n) : p(n), c(n, 1) {
    iota(p.begin(), p.end(), 0);
  }
  int root(int v) {
    return v == p[v] ? v : p[v] = root(p[v]);
  }
  bool unite(int a, int b) {
    a = root(a), b = root(b);
    if (a == b) {
      return false;
    } else {
      if (c[a] < c[b]) swap(a, b);
      p[b] = a;
      c[a] += c[b];
      return true;
    }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

mars.cpp: In function 'std::vector<int> get_colors(std::vector<std::__cxx11::basic_string<char> >, std::vector<int>, int&, std::vector<int>&, int&)':
mars.cpp:44:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |  for (int i = 0; i < bound.size(); ++i) {
      |                  ~~^~~~~~~~~~~~~~
mars.cpp: In function 'std::string process(std::vector<std::vector<std::__cxx11::basic_string<char> > >, int, int, int, int)':
mars.cpp:156:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  156 |    for (int i = 0; i < info_write.size(); ++i) res[i+12] = info_write[i] + '0';
      |                    ~~^~~~~~~~~~~~~~~~~~~
mars.cpp:231:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  231 |    for (int i = 0; i < info_write.size(); ++i) res[i+12] = info_write[i] + '0';
      |                    ~~^~~~~~~~~~~~~~~~~~~

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