Bored Uolevi

#include <iostream>
using namespace std;
int t[2000][2000];
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  int n;
  cin >> n;
  for (int i = 0; i < n; ++i) {
    int x1, y1, x2, y2;
    cin >> x1 >> y1 >> x2 >> y2;
    if (x1 == x2 || y1 == y2) continue;
    if (x1 > x2) swap(x1, x2), swap(y1, y2);
    long double k = (long double)(y2-y1)/(long double)(x2-x1);
    long double b = -k*x1+y1;
    for (int i = x1; i < x2; ++i) {
      long double ymin, ymax;
      if (y1 < y2) {
        ymin = k*i+b;
        ymax = k*(i+1)+b;
      } else {
        ymin = k*(i+1)+b;
        ymax = k*i+b;
      }
      for (int j = int(ymin); j < ymax-1e-8; ++j) {
        t[i][j] = 1;
      }
    }
  }
  int sum = 0;
  for (int i = 0; i < 2000; ++i) {
    for (int j = 0; j < 2000; ++j) {
      sum += t[i][j];
    }
  }
  cout << sum << endl;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: WRONG ANSWER

Test 5

Verdict: WRONG ANSWER

Test 6

Verdict: WRONG ANSWER

Test 7

Verdict: WRONG ANSWER

Test 8

Verdict: WRONG ANSWER

Test 9

Verdict: WRONG ANSWER

Test 10

Verdict: WRONG ANSWER

Test 11

Verdict: WRONG ANSWER

Test 12

Verdict: WRONG ANSWER

Test 13

Verdict: WRONG ANSWER

Test 14

Verdict: WRONG ANSWER

Test 15

Verdict: WRONG ANSWER

Test 16

Verdict: WRONG ANSWER

Test 17

Verdict: WRONG ANSWER

Test 18

Verdict: WRONG ANSWER

Test 19

Verdict: ACCEPTED

Test 20

Verdict: ACCEPTED

Test 21

Verdict: ACCEPTED

Test 22

Verdict: ACCEPTED