Osajono

input/code.cpp: In function 'int main(int, char**)':
input/code.cpp:10:32: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  fgets(merkkijono, 5001, stdin);
                                ^

/* Eino-Pekka Kanto 2015 */

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

int main(int argc, char **argv) {
	char merkkijono[5001];
	unsigned int osumat=0;

	fgets(merkkijono, 5001, stdin);

	unsigned int lkm=0;
	unsigned int a,b;
	for(a=0; a<5001; a++) {
		if(merkkijono[a]==0)
			break;
		lkm++;
	}
	lkm--;

	/* Sitten aloitetaan laskemaan varsinaisia
	   osajonojuttuja jännällä algoritmilla. */
	for(a=0; a<lkm; a++) {
		for(b=a; b<lkm; b++) {
//			printf("%c %c\n", merkkijono[a], merkkijono[b]);
			if(merkkijono[a]==merkkijono[b])
				osumat++;
		}
	}

	printf("%d\n", osumat);
	return 0;
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: WRONG ANSWER

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: WRONG ANSWER

Test 11

Group: 3

Verdict: WRONG ANSWER

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