Submission #22778

#	Time	Username	Problem	Language	Result	Execution time	Memory
22778		↓우리보다잘하는팀 (#40)	New Ocurrences (KRIII5_NO)	C++14	0 / 7	1000 ms	2432 KiB

NO

#include <cstdio>
#include <cstring>
#include <unordered_map>

using namespace std;

char a[5005];
unordered_map<unsigned long long, int> d;

int main() {
	long long r = 0;
	int i, j, k, n;
	scanf("%s", a);
	n = strlen(a);
	for (i = 0; i < n; i++) {
		a[i] = 'a';
		k = 0;
		for (j = i; j >= 0; j--) {
			k = 27 * k + a[j];
			r += d[k] << 1 | 1;
			d[k]++;
		}
		printf("%lld\n", r);
	}
}

Compilation message (stderr)

NO.cpp: In function 'int main()':
NO.cpp:13:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", a);
                ^

• Subtask 1: 0 / 2
• Subtask 2: 0 / 5