제출 #544674

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
544674	2022-04-02 14:20:42	pokmui9909	두 로봇 (KOI18_robot)	C++17	100 / 100	114 ms	13180 KiB

robot

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#include <bits/stdc++.h>
using namespace std;
vector<pair<int, int>> tree[100005];
int cost1[100005], cost2[100005];
int visited[100005];
int n, x, y;
void dfs1(int node, int c)
{
    visited[node] = 1;
    cost1[node] = c;
    for(int i = 0; i < tree[node].size(); i++)
    {
        int next = tree[node][i].first;
        if(visited[next]) continue;
        dfs1(next, c + tree[node][i].second);
    }
}
void dfs2(int node, int c)
{
    visited[node] = 1;
    cost2[node] = c;
    for(int i = 0; i < tree[node].size(); i++)
    {
        int next = tree[node][i].first;
        if(visited[next]) continue;
        dfs2(next, c + tree[node][i].second);
    }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

robot.cpp: In function 'void dfs1(int, int)':
robot.cpp:13:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for(int i = 0; i < tree[node].size(); i++)
      |                    ~~^~~~~~~~~~~~~~~~~~~
robot.cpp: In function 'void dfs2(int, int)':
robot.cpp:25:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for(int i = 0; i < tree[node].size(); i++)
      |                    ~~^~~~~~~~~~~~~~~~~~~
robot.cpp: In function 'int main()':
robot.cpp:59:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |         for(int j = 0; j < tree[i].size(); j++)
      |                        ~~^~~~~~~~~~~~~~~~

• Subtask 1: 17 / 17
• Subtask 2: 19 / 19
• Subtask 3: 23 / 23
• Subtask 4: 41 / 41