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Submission #2778

# Submission time Handle Problem Language Result Execution time Memory
2778 2013-07-31T09:54:56 Z mhkim4886 다각형 (GA5_polygon) C++
0 / 100
 0 ms 1088 KB 
#include <stdio.h>

int main()
{
    int a, b;
    scanf("%d %d", &a, &b);

    if(a % 2 == 1) a++;
    if(b % 2 == 1) b--;

    int answer;
    if(((b - a) / 2 + 1) % 2 == 0) answer = (a + b) * ((b-a)/2+1) / 2;
    else answer = a + (a+2 + b) * (b-a) / 4;

    printf("%d", answer);
}

Subtask #1
0.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1088 KB Output is correct
2 Incorrect 0 ms 1088 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 -