#include #include using namespace std; int rec[101][101]; /*🧚♀️🧚🧚♂️*/ int main() { int sum = 0; for (int i = 0; i > x1 >> y1 >> x2 >> y2; for (int j = x1; j < x2; j++) { for (int k = y1; k < y2; k++) rec[j][k] = 1; } } for (int i = 0; i < 101; i++) { for (int j = 0; j < 101; j++) { sum += rec[i][j]; } } cout