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답안 #2874

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
2874 2013-08-01T07:59:57 Z pl0892029 다각형 (GA5_polygon) C++
100 / 100
 0 ms 1088 KB 
#include <cstdio>

int main() {
	int a,b;
	scanf("%d %d",&a,&b);
	if( a<3 ) a=3;
	if( b<a ) b=a-1;
	a++;
	a/=2, b/=2;
	printf("%lld",(long long)(b-a+1)*(a+b));
}

Subtask #1
60.0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 1088 KB Output is correct
2 Correct 0 ms 1088 KB Output is correct
3 Correct 0 ms 1088 KB Output is correct
4 Correct 0 ms 1088 KB Output is correct
5 Correct 0 ms 1088 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 1088 KB Output is correct
2 Correct 0 ms 1088 KB Output is correct
3 Correct 0 ms 1088 KB Output is correct
4 Correct 0 ms 1088 KB Output is correct
5 Correct 0 ms 1088 KB Output is correct

Subtask #3
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 1088 KB Output is correct
2 Correct 0 ms 1088 KB Output is correct
3 Correct 0 ms 1088 KB Output is correct
4 Correct 0 ms 1088 KB Output is correct
5 Correct 0 ms 1088 KB Output is correct