Submission #388726

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
388726	2021-04-12 17:13:17	1bin	Designated Cities (JOI19_designated_cities)	C++14	100 / 100	1131 ms	39888 KiB

designated_cities

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll NMAX = 2e5 + 5;
#define all(v) v.begin(), v.end()
ll N, Q, a, b, c, d, W[NMAX], vis[NMAX], dp[NMAX], U[NMAX], D[NMAX], ans[NMAX];
vector<pair<ll, ll>> to[NMAX], v;
void dfs2(int now, int bef) {
  for (auto& e : to[now]) {
    int nxt = e.first;
    if (nxt == bef) {
      U[now] += e.second;
      continue;
    }
    dfs2(nxt, now);
    D[now] += D[nxt] + e.second;
  }
  return;
}
void dfs3(int now, int bef) {
  for (auto& e : to[now]) {
    int nxt = e.first;
    if (nxt == bef) continue;
    U[nxt] += U[now] + D[now] - D[nxt] - e.second;
    dfs3(nxt, now);
  }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

designated_cities.cpp: In function 'void sol(int)':
designated_cities.cpp:91:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |  for (int i = 1; i <= v.size(); i++) {
      |                  ~~^~~~~~~~~~~
designated_cities.cpp:99:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   99 |  for (int i = 1; i < v.size(); i++) {
      |                  ~~^~~~~~~~~~
designated_cities.cpp:109:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  109 |   for (int i = 0; i < v.size(); i++) {
      |                   ~~^~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 7 / 7
• Subtask 3: 9 / 9
• Subtask 4: 17 / 17
• Subtask 5: 17 / 17
• Subtask 6: 44 / 44