제출 #543248

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
543248	2022-03-30 00:51:27	Olympia	One-Way Streets (CEOI17_oneway)	C++17	100 / 100	1180 ms	110388 KiB

oneway

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#include <vector>
#include <algorithm>
#include <iostream>
#include <set>
#include <cmath>
#include <map>
#include <random>
#include <cassert>
#include <ctime>
#include <cstdlib>
#include <queue>
#include <limits.h>
using namespace std;
class BridgeFinder {
public:
    int n; // number of nodes
    vector<vector<int>> adj; // adjacency list of graph
    map<pair<int,int>,bool> isBridge;
    vector<bool> visited;
    vector<int> tin, low;
    int timer;
    void dfs(int v, int p = -1) {
        visited[v] = true;
        tin[v] = low[v] = timer++;
        for (int to : adj[v]) {
            if (to == p) continue;
            if (visited[to]) {
                low[v] = min(low[v], tin[to]);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

oneway.cpp: In member function 'void BridgeFinder::find_bridges()':
oneway.cpp:49:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |         for (int i = 0; i < adj.size(); i++) {
      |                         ~~^~~~~~~~~~~~
oneway.cpp:51:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |             for (int j = 1; j < adj[i].size(); j++) {
      |                             ~~^~~~~~~~~~~~~~~
oneway.cpp: In member function 'void HeavyLightDecomposition::dfs(int, int)':
oneway.cpp:244:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  244 |         for (int i = 1; i < dp[curNode].size(); i++) {
      |                         ~~^~~~~~~~~~~~~~~~~~~~
oneway.cpp:251:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  251 |             for (int i = 1; i < vec.size(); i++) {
      |                             ~~^~~~~~~~~~~~
oneway.cpp: In function 'void proccess(std::vector<std::pair<std::pair<int, int>, int> >, std::vector<std::pair<int, int> >)':
oneway.cpp:312:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  312 |     for (int i = 0; i < edges.size(); i++) {
      |                     ~~^~~~~~~~~~~~~~
oneway.cpp:315:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  315 |     for (int i = 0; i < queries.size(); i++) {
      |                     ~~^~~~~~~~~~~~~~~~
oneway.cpp:319:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  319 |     for (int i = 0; i < edges.size(); i++) {
      |                     ~~^~~~~~~~~~~~~~
oneway.cpp:328:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  328 |     for (int i = 0; i < queries.size(); i++) {
      |                     ~~^~~~~~~~~~~~~~~~
oneway.cpp:333:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  333 |     for (int i = 1; i < adj.size(); i++) {
      |                     ~~^~~~~~~~~~~~
oneway.cpp:338:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  338 |     for (int i = 0; i < edges.size(); i++) {
      |                     ~~^~~~~~~~~~~~~~
oneway.cpp: In function 'int main()':
oneway.cpp:393:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  393 |     for (int i = 0; i < edges.size(); i++) {
      |                     ~~^~~~~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40