int calculateSum(int x, int y) { return x + y;}int main() { int result1 = calculateSum(5, 3); int result2 = calculateSum(8, 2); int result3 = calculateSum(15, 15); printf("结果 1 是: %d\n", result1); printf("结果 2 是: %d\n", result2); printf("结果 3 是: %d\n", result3); return 0;}