Submission #726062

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
726062	2023-04-18 12:06:53	piOOE	Worst Reporter 4 (JOI21_worst_reporter4)	C++17	100 / 100	1660 ms	478360 KiB

worst_reporter2

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
constexpr int N_ = 8e5 * 20 * 2 + 1;
int top = 1;
struct Node {
    ll sum = 0, mxp = 0;
    int left = 0, right = 0;
} t[N_];
int create() {
    return top++;
}
void pull(int x) {
    int l = t[x].left, r = t[x].right;
    t[x].sum = t[l].sum + t[r].sum;
    t[x].mxp = max(t[l].mxp, t[l].sum + t[r].mxp);
}
void modify(int x, int lx, int rx, int i, ll d) {
    if (lx == i && rx == i + 1) {
        t[x].sum += d;
        t[x].mxp = max(t[x].sum, 0LL);
        return;
    }
 
 
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Compilation message (stderr)

worst_reporter2.cpp: In function 'std::pair<long long int, long long int> getBest(int, int)':
worst_reporter2.cpp:90:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   90 |         int mid = lx + rx >> 1;
      |                   ~~~^~~~
worst_reporter2.cpp: In function 'void dfs(int)':
worst_reporter2.cpp:157:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  157 |     for (int i = 1; i < adj[v].size(); ++i) {
      |                     ~~^~~~~~~~~~~~~~~
worst_reporter2.cpp:164:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  164 |         for (int x = 0; x < inside[to].size(); ++x) {
      |                         ~~^~~~~~~~~~~~~~~~~~~
worst_reporter2.cpp:174:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  174 |     for (int i = 0, j = 0; i < ours.size(); i = j) {
      |                            ~~^~~~~~~~~~~~~
worst_reporter2.cpp:176:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  176 |         while (j < ours.size() && H[ours[i]] == H[ours[j]]) {
      |                ~~^~~~~~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 65 / 65
• Subtask 3: 21 / 21