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답안 #16017

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
16017 2015-08-06T17:19:35 Z evenharder 다각형 (GA5_polygon) C++
100 / 100
 0 ms 1084 KB 
#include<stdio.h>
long long int calc(long long int x)
{
	if(x<=2) return 2;
	else return (x/2)*(x/2+1);
}
int main()
{
	long long int a,b;
	scanf("%lld%lld",&a,&b);
	printf("%lld",calc(b)-calc(a-1));
}

Subtask #1
60.0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 1084 KB Output is correct
2 Correct 0 ms 1084 KB Output is correct
3 Correct 0 ms 1084 KB Output is correct
4 Correct 0 ms 1084 KB Output is correct
5 Correct 0 ms 1084 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 1084 KB Output is correct
2 Correct 0 ms 1084 KB Output is correct
3 Correct 0 ms 1084 KB Output is correct
4 Correct 0 ms 1084 KB Output is correct
5 Correct 0 ms 1084 KB Output is correct

Subtask #3
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 1084 KB Output is correct
2 Correct 0 ms 1084 KB Output is correct
3 Correct 0 ms 1084 KB Output is correct
4 Correct 0 ms 1084 KB Output is correct
5 Correct 0 ms 1084 KB Output is correct