제출 #20401

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
20401		KEIST (#35)	채점 시스템 (OJUZ11_judge)	C++98	100 / 100	46 ms	1116 KiB

judge

#include<stdio.h>
long long findjari(long long x, long long jari)
{
	if (x==0) return jari;
	return findjari(x/10, jari+1);
}
int main()
{
	long long query;
	scanf("%d", &query);
	while(query--)
	{
		long long correct, score;
		scanf("%lld %lld", &score, &correct);
		
		long long jari=findjari(score, 0);
		if (jari==0) jari++;
		
		long long defaultJari=1;
		for (long long i=1; i<=jari; i++) {
			defaultJari*=10;
		}
		
		long long cnt=0;
		while(1)
		{
			if ((score+defaultJari)>correct) {
				printf("%lld\n", cnt);
				break;
			}
			
			cnt++;
			defaultJari*=10;
		}
	}
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

judge.cpp: In function 'int main()':
judge.cpp:10:20: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
  scanf("%d", &query);
                    ^
judge.cpp:10:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &query);
                     ^
judge.cpp:14:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld", &score, &correct);
                                       ^

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