/CTest019 - Sắp xếp cột trong ma trận
<Problem>
https://code.ptit.edu.vn/student/question/CTest019#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#include <math.h>
#define max(i, j) ((i > j) ? i : j)
#define min(i, j) ((i < j) ? i : j)
int main() {
int t;
scanf("%d", &t);
while (t--) {
int n, m, index;
scanf("%d %d %d", &n, &m, &index);
int arr[101][101];
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
scanf("%d", &arr[i][j]);
}
}
index--;
for (int i = 0; i < n - 1; i++) {
for (int j = n - 1; j > i; j--) {
if (arr[j][index] < arr[j - 1][index]) {
int t = arr[j][index];
arr[j][index] = arr[j - 1][index];
arr[j - 1][index] = t;
}
}
}
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
printf("%d ", arr[i][j]);
}
printf("\n");
}
}
return 0;
}