Submission #540294

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
540294	2022-03-19 21:35:58	Olympia	Railway (BOI17_railway)	C++17	100 / 100	391 ms	61864 KiB

railway

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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;
const int MOD = 1e9 + 9;
struct segmentTreePoint {
    vector<int> v;
    vector<int> vec;
    vector<int> addLater;
    void upd(int dum, int tl, int tr, int &l, int &r, int val) {
        if (tr < l || tl > r) {
            return;
        }
        if (tl >= l && tr <= r) {
            addLater[dum] += val;
            return;
        }
        int mid = (tl + tr) >> 1;
 
 
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Compilation message (stderr)

railway.cpp: In member function 'void HeavyLightDecomposition::dfs(int, int)':
railway.cpp:117:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  117 |         for (int i = 1; i < dp[curNode].size(); i++) {
      |                         ~~^~~~~~~~~~~~~~~~~~~~
railway.cpp:124:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  124 |             for (int i = 1; i < vec.size(); i++) {
      |                             ~~^~~~~~~~~~~~
railway.cpp: In function 'int main()':
railway.cpp:201:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  201 |         for (int i = 0; i < nodes.size(); i++) {
      |                         ~~^~~~~~~~~~~~~~
railway.cpp:218:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  218 |     for (int i = 0; i < hld.adj.size(); i++) {
      |                     ~~^~~~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 15 / 15
• Subtask 3: 7 / 7
• Subtask 4: 29 / 29
• Subtask 5: 16 / 16
• Subtask 6: 25 / 25