Submission #757425

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
757425	2023-06-13 07:27:07	The_Samurai	Vim (BOI13_vim)	C++17	50 / 100	2082 ms	524288 KiB

vim

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#include "bits/stdc++.h"
using namespace std;
int INF = 1e9;
int main() {
    ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
    clock_t startTime = clock();
    int n;
    string s;
    cin >> n >> s;
    vector<vector<int>> pos(150);
    vector<int> not_e;
    for (int i = 0; i < n; i++) {
        pos[s[i]].emplace_back(i);
        if (s[i] != 'e') {
            not_e.emplace_back(i);
        }
    }
    if (pos['e'].empty()) {
        cout << 0;
        return 0;
    }
    auto cnt = [&](int l, int r, char x) {
        return upper_bound(pos[x].begin(), pos[x].end(), r) - lower_bound(pos[x].begin(), pos[x].end(), l);
    };
    vector<vector<int>> dist(n, vector<int>(n, INF));
    auto dist_calc = [&](int l, int r) {
        int ans = INF;
 
 
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Compilation message (stderr)

vim.cpp: In function 'int main()':
vim.cpp:56:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |     for (int i = 0; i < dp.size(); i++) {
      |                     ~~^~~~~~~~~~~
vim.cpp:9:13: warning: unused variable 'startTime' [-Wunused-variable]
    9 |     clock_t startTime = clock();
      |             ^~~~~~~~~

• Subtask 1: 50 / 50
• Subtask 2: 0 / 10
• Subtask 3: 0 / 40