Submission #1540294


Source Code Expand

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#include <iostream>

using namespace std;

int main() {
    int bit[26];
    for(int i = 0;i < 26;i++) bit[i] = 0;
    string str;
    cin >> str;
    long long ans = 1;
    for(int i = 0;i < str.length();i++){
        int c = str[i] - 'a';
        for(int j = 0;j < 26;j++){
            if(c != j) ans += bit[j];
        }
        bit[c]++;
    }
    cout << ans << endl;
}

Submission Info

Submission Time
Task B - Reverse and Compare
User rehu
Language C++14 (GCC 5.4.1)
Score 500
Code Size 392 Byte
Status
Exec Time 13 ms
Memory 640 KB

Judge Result

Set Name Score / Max Score Test Cases
Sample 0 / 0 sample_01.txt, sample_02.txt, sample_03.txt
All 500 / 500 sample_01.txt, sample_02.txt, sample_03.txt, sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_16.txt, subtask_1_17.txt
Case Name Status Exec Time Memory
sample_01.txt 1 ms 256 KB
sample_02.txt 1 ms 256 KB
sample_03.txt 1 ms 256 KB
subtask_1_01.txt 1 ms 256 KB
subtask_1_02.txt 11 ms 640 KB
subtask_1_03.txt 1 ms 256 KB
subtask_1_04.txt 1 ms 256 KB
subtask_1_05.txt 1 ms 256 KB
subtask_1_06.txt 1 ms 256 KB
subtask_1_07.txt 2 ms 256 KB
subtask_1_08.txt 13 ms 640 KB
subtask_1_09.txt 12 ms 640 KB
subtask_1_10.txt 12 ms 640 KB
subtask_1_11.txt 13 ms 640 KB
subtask_1_12.txt 12 ms 640 KB
subtask_1_13.txt 12 ms 640 KB
subtask_1_14.txt 11 ms 640 KB
subtask_1_15.txt 11 ms 640 KB
subtask_1_16.txt 11 ms 640 KB
subtask_1_17.txt 11 ms 640 KB