Submission #2184781


Source Code Expand

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#include <bits/stdc++.h>
#define REP(i, a, n) for(ll i = ((ll) a); i < ((ll) n); i++)
using namespace std;
typedef long long ll;

int main(void) {
  ll N, M;
  cin >> N >> M;

  if(N == 1 && M == 1) {
    cout << 1 << endl;
  } else if(N == 1) {
    cout << M - 2 << endl;
  } else if(M == 1) {
    cout << N - 2 << endl;
  } else {
    cout << (N - 2) * (M - 2) << endl;
  }
}

Submission Info

Submission Time
Task C - Flip,Flip, and Flip......
User kshinya
Language C++14 (GCC 5.4.1)
Score 300
Code Size 397 Byte
Status
Exec Time 1 ms
Memory 256 KB

Judge Result

Set Name Score / Max Score Test Cases
Sample 0 / 0 s1.txt, s2.txt, s3.txt
All 300 / 300 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, s1.txt, s2.txt, s3.txt
Case Name Status Exec Time Memory
01.txt 1 ms 256 KB
02.txt 1 ms 256 KB
03.txt 1 ms 256 KB
04.txt 1 ms 256 KB
05.txt 1 ms 256 KB
06.txt 1 ms 256 KB
07.txt 1 ms 256 KB
s1.txt 1 ms 256 KB
s2.txt 1 ms 256 KB
s3.txt 1 ms 256 KB