Submission #20532

#	Time	Username	Problem	Language	Result	Execution time	Memory
20532		CodingAmolang (#35)	채점 시스템 (OJUZ11_judge)	C++11	100 / 100	53 ms	1116 KiB

judge

#include<stdio.h>

int main() {
	int tc;
	scanf("%d", &tc);
	while (tc--) {
		long long a, b;
		scanf("%lld%lld", &a, &b);
		long long p = 10;
		int cnt = 0;
		while (p + a <= b) {
			if (a / p == 0) {
				cnt++;
			}
			p *= 10;
		}
		printf("%d\n", cnt);
	}
}

Compilation message (stderr)

judge.cpp: In function 'int main()':
judge.cpp:5:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &tc);
                  ^
judge.cpp:8:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld", &a, &b);
                            ^

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