oj.uz

Submission #7796

# Submission time Handle Problem Language Result Execution time Memory
7796 2014-08-19T10:16:24 Z gs_14069 다각형 (GA5_polygon) C++
0 / 100
 0 ms 1088 KB 
#include<cstdio>
long long a,b;
long long f(long long s,long long t){
    long long n=(t-s)/2+1;
    return n*(s+t)/2;
}
int main(){
    scanf("%lld%lld",&a,&b);
    if(a%2)a++;
    if(b%2)b--;
    if(a<4)a=4;
    printf("%lld",f(a,b));
}

Subtask #1
0.0 / 60.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 1088 KB Output isn't correct
2 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 -