Submission #950807

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
950807	2024-03-20 17:51:24	m1dsho	Two Currencies (JOI23_currencies)	C++98	100 / 100	4567 ms	76392 KiB

currencies

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#define int long long
using namespace std;
struct node {
    int s, t, x, y;
};
const int N = 2e5 + 2;
const int L = 20;
int dp[L][N];
int tin[N];
int sz[N];
int H[N];
int up[N];
pair<int, int> t[5 * N];
vector<int> g[N];
void dfs1(int u, int p) {
    sz[u] = 1;
    H[u] = H[p] + 1;
    dp[0][u] = p;
    for (int i = 1; i < L; i++) {
        dp[i][u] = dp[i - 1][dp[i - 1][u]];
    }
    for (auto v: g[u]) {
        if (v == p) continue;
        dfs1(v, u);
        sz[u] += sz[v];
    }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

currencies.cpp: In function 'void dfs2(long long int, long long int)':
currencies.cpp:37:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |     for (int i = 1; i < g[u].size(); i++) {
      |                     ~~^~~~~~~~~~~~~
currencies.cpp:41:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |     for (int i = 0; i < g[u].size(); i++) {
      |                     ~~^~~~~~~~~~~~~
currencies.cpp: In function 'int main()':
currencies.cpp:154:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
  154 |     for (auto [id, c]: cst) {
      |               ^
currencies.cpp:174:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  174 |     for (int i = 0; i < n_c.size(); i++) {
      |                     ~~^~~~~~~~~~~~
currencies.cpp:183:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  183 |     for (int i = 0; i < n_c.size(); i++) {
      |                     ~~^~~~~~~~~~~~
currencies.cpp:196:27: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  196 |         for (int i = 0; i < n_c.size(); i++) {
      |                         ~~^~~~~~~~~~~~
currencies.cpp:208:27: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  208 |         for (int i = 0; i < n_c.size(); i++) {
      |                         ~~^~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 28 / 28
• Subtask 3: 30 / 30
• Subtask 4: 32 / 32