Submission #1246262

#	Time	Username	Problem	Language	Result	Execution time	Memory
1246262		Jer	Vim (BOI13_vim)	C++20	2.78 / 100	1 ms	840 KiB

vim

#include <bits/stdc++.h>
using namespace std;

int main()
{
    int n;
    scanf("%d", &n);
    char s[n + 1];
    scanf("%s", s);

    vector<vector<int>> pos(10);
    for (int i = 0; i < n; i++)
        if (s[i] != 'e')
            pos[s[i] - 'a'].push_back(i);

    vector<int> epos;
    for (int i = 0; i < n; i++)
        if (s[i] == 'e')
            epos.push_back(i);

    int curr = 0, res = 0;
    for (int ei = 0; ei < epos.size(); ei++)
    {
        int target = epos[ei];
        int min_steps = abs(curr - target);
        res += min_steps;
        curr = target;

        if (curr < n - 1)
            res++;
    }

    printf("%d\n", res);
}

Compilation message (stderr)

vim.cpp: In function 'int main()':
vim.cpp:7:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
vim.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |     scanf("%s", s);
      |     ~~~~~^~~~~~~~~

• Subtask 1: 2.7778 / 50
• Subtask 2: 0 / 10
• Subtask 3: 0 / 40