#include #include #define WIDTH 80 #define HEIGHT 25 void screen(int y_left_rocket, int y_right_rocket, int x_ball, int y_ball); void print_score(int l_score, int r_score); int main() { int y_left_rocket, y_right_rocket, x_ball, y_ball, direction, l_score, r_score; y_left_rocket = (HEIGHT / 2) - 1; y_right_rocket = (HEIGHT / 2) - 1; x_ball = (WIDTH / 2); y_ball = (HEIGHT / 2); l_score = 0; r_score = 0; direction = 2; screen(y_left_rocket, y_right_rocket, x_ball, y_ball); // Work proccess while (1) { char c; int ch; scanf("%1c", &c); while ((ch = getchar()) != '\n' && ch != EOF) {} if (c == 'A' || c == 'a') { if (y_left_rocket > 1) { y_left_rocket--; } } else if (c == 'Z' || c == 'z') { if (y_left_rocket + 2 < HEIGHT - 1) { y_left_rocket++; } } else if (c == 'K' || c == 'k') { if (y_right_rocket > 1) { y_right_rocket--; } } else if (c == 'M' || c == 'm') { if (y_right_rocket + 2 < HEIGHT - 1) { y_right_rocket++; } } else if (c == 'q' || c == 'Q') { break; } // left rocket strikes if (x_ball == 2) { if (y_ball == y_left_rocket) { direction = 2; } if (y_ball == y_left_rocket + 1) { direction = 1; } if (y_ball == y_left_rocket + 2) { direction = 3; } } // right rocket strikes if (x_ball == WIDTH - 2) { if (y_ball == y_right_rocket) { direction = 5; } if (y_ball == y_right_rocket + 1) { direction = 4; } if (y_ball == y_right_rocket + 2) { direction = 6; } } // right scores if (x_ball == 0) { y_left_rocket = (HEIGHT / 2) - 1; y_right_rocket = (HEIGHT / 2) - 1; x_ball = (WIDTH / 2); y_ball = (HEIGHT / 2); direction = 2; r_score++; } // left scores if (x_ball == WIDTH) { y_left_rocket = (HEIGHT / 2) - 1; y_right_rocket = (HEIGHT / 2) - 1; x_ball = (WIDTH / 2); y_ball = (HEIGHT / 2); direction = 5; l_score++; } // ball touches the floor if (y_ball == HEIGHT - 1) { if (direction == 3) { direction = 2; } else { direction = 5; } } // ball touches the ceiling if (y_ball == 1) { if (direction == 5) { direction = 6; } else { direction = 3; } } // How the ball moves /* 1 — right forward 2 — right-up 3 — right-down 4 — left forward 5 — left-up 6 — left-down */ if (direction == 1) { x_ball++; } else if (direction == 2) { x_ball++; y_ball--; } else if (direction == 3) { x_ball++; y_ball++; } else if (direction == 4) { x_ball--; } else if (direction == 5) { x_ball--; y_ball--; } else if (direction == 6) { x_ball--; y_ball++; } screen(y_left_rocket, y_right_rocket, x_ball, y_ball); print_score(l_score, r_score); if (l_score == 21 || r_score == 21) { return 0; } } } // function for printing the game display void screen(int y_left_rocket, int y_right_rocket, int x_ball, int y_ball) { for (int y = 0; y <= HEIGHT; y++) { for (int x = 0; x <= WIDTH; x++) { if ((y == 0 || y == HEIGHT) && x != 0 && x <= WIDTH - 1) { printf("—"); } else if ((x == 0 || x == WIDTH) && y<= HEIGHT) { printf("|"); } else if (y >= y_left_rocket && y < y_left_rocket + 3 && x == 1) { printf("I"); } else if (y >= y_right_rocket && y < y_right_rocket + 3 && x == WIDTH - 1) { printf("I"); } else if (x == x_ball && y == y_ball) { printf("o"); } else { printf(" "); } } printf("\n"); } } // function for printing reslults in case of win void print_score(int l_score, int r_score) { if (l_score == 21) { printf("Left player WON"); } else if (r_score == 21) { printf("Right player WON"); } else { printf("%d : %d\n", l_score, r_score); } }

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