[Blue Bridge Cup 2019 preliminary round] rotation

90 degrees: a straight line going up from the lower left corner of the matrix, an output of one line. It is to be listed as a line output.

 

Title: link: http: //oj.ecustacm.cn/problem.php id = 1472?

 

 

 

#include <iostream>
using namespace std;

int a[110][110];
int n,m;

int main()
{
    while(~scanf("%d%d", &n, &m)) {
        
        for (int i = 0; i < n; i++)
            for (int j = 0; j < m; j++)
                scanf("%d", &a[i][j]);
                
        for (int i = 0; i < m; i++) {
            for (int j = n-1; j >= 0; j--) {
                cout << a[j][i] << " ";
             }
            cout << endl;
        }    
    }
  
  return 0;
}

 

 

over......