#include <stdio.h> int main() { long int num, input[500][2], temp[500][2], output[500] = {0}, swap, swap2, count = 0, cout = 0; scanf("%ld", &num); for (int i = 0; i < num; i++) { scanf("%ld%ld", &input[i][0], &input[i][1]); } for (int i = 0; i < num; i++)...