Osajono

input/code.cpp: In function 'int summa(int)':
input/code.cpp:8:10: warning: statement has no effect [-Wunused-value]
     for(i; i > 0; --i)
          ^
input/code.cpp: In function 'int main()':
input/code.cpp:22:39: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     fgets(syote, sizeof(syote), stdin);
                                       ^

#include <stdio.h>
#include <stdlib.h>

int summa(int i)
{
    int summa = 0;

    for(i; i > 0; --i)
        summa += i;

    return summa;
}

int main()
{
    int i, j, k, tuloste = 0;
    char syote[128000] = {0};
    
    //for(i = 0; i < sizeof(syote); ++i)
    //    syote[i] = 'A' + (rand() % 26);

    fgets(syote, sizeof(syote), stdin);
    for(i = 'A'; i < 'Z'; ++i)
    {
        k = 0;
        for(j = 0; syote[j]; ++j)
            if(syote[j] == i)
                ++k;

        tuloste += summa(k);
    }

    printf("%u\n", tuloste);
    return 0;
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: WRONG ANSWER

Test 3

Group: 1

Verdict: WRONG ANSWER

Test 4

Group: 1

Verdict: WRONG ANSWER

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: WRONG ANSWER

Test 8

Group: 2

Verdict: WRONG ANSWER

Test 9

Group: 2

Verdict: WRONG ANSWER

Test 10

Group: 2

Verdict: ACCEPTED

Test 11

Group: 3

Verdict: ACCEPTED

Test 12

Group: 3

Verdict: WRONG ANSWER

Test 13

Group: 3

Verdict: WRONG ANSWER

Test 14

Group: 3

Verdict: WRONG ANSWER

Test 15

Group: 3

Verdict: WRONG ANSWER