Submission #20745

#	Time	Username	Problem	Language	Result	Execution time	Memory
20745		sang7	채점 시스템 (OJUZ11_judge)	C++14	0 / 100	43 ms	1116 KiB

judge

#include<cstdio>

long long mat[15];
int lenll(long long pi) {
	int cnt = 0;
	while (pi > 0)
	{
		pi /= 10LL;
		cnt++;
	}
	return cnt;
}

int Go(long long pi, long long ti)
{
	int cnt = 0;
	int len = lenll(pi);
	long long t = pi + mat[len];
	while (t <= ti)
	{
		cnt++;
		len++;
		t = pi + mat[len];
	}
	return cnt;
}

int main() {

	mat[0] = 1;
	for (int i = 1; i < 15; i++)
	{
		mat[i] = mat[i - 1] * 10LL;
	}
	mat[0] = 0;

	int N;
	scanf("%d", &N);
	for (int i = 0; i < N; i++)
	{
		long long pi, ti;
		scanf("%lld %lld", &pi,&ti);
		printf("%d\n", Go(pi, ti));
	}
}

Compilation message (stderr)

judge.cpp: In function 'int main()':
judge.cpp:38:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
                 ^
judge.cpp:42:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld", &pi,&ti);
                              ^

• Subtask 1: 0 / 31
• Subtask 2: 0 / 47
• Subtask 3: 0 / 22