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Submission #2914

# Submission time Handle Problem Language Result Execution time Memory
2914 2013-08-03T11:24:17 Z alephnull 다각형 (GA5_polygon) C++
0 / 100
 0 ms 1096 KB 
#include <cstdio>
#include <algorithm>
using namespace std;
int p[2000];
typedef long long ll;
ll s(ll n){
	if(n&1)return s(n-1);
	return (n/2)*(n/2+1);
}
int main() {
	ll a,b;scanf("%lld %lld",&a,&b);
	printf("%lld",s(b)-s(a-1));
}

Subtask #1
0.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1096 KB Output is correct
2 Incorrect 0 ms 1096 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Halted 0 ms 0 KB -

Subtask #3
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Halted 0 ms 0 KB -