Матрица

#define _USE_MATH_DEFINES
#include <iostream>
#include <string>
#include <map>
#include <set>
#include <algorithm>
#include <vector>
#include <stdio.h>
#include <cmath>
#include <math.h>
#include <queue>
#include <stack>
#include <climits>
#include <deque>
#include <ctime>

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef unsigned int ui;

#define mh() make_heap()
#define poph() pop_heap()
#define pushh() push_heap()
#define sor(n) n.begin(), n.end()
#define mp make_pair
#define files freopen("input.txt", "rt", stdin); freopen("output.txt", "wt", stdout)
#define p(T) pair<T,T>
#define znac(l) abs(l)/l
const ll ok = ll(1e9 + 7);

double cr[201][201];
double uncr[201][201];
double scr[201][201];
int main()
{
    //files;
    cout.precision(10);
    cout.setf(ios::fixed);
    ll n;
    cin >> n;
    for(int x=1;x<=n;x++)
        for (int i = 1; i <= n; i++)
        {
            cin >> scr[x][i];
        }

    for (int x = 1; x <= n; x++)
        for (int y = 1; y <= n; y++)
        {
            if (x != y)
            {
                if (scr[y][x] < scr[x][y])
                {
                    double prom = scr[y][x];
                    double mab = (scr[x][y] - prom) / 2.0;
                    uncr[y][x] = (-1.0)*mab;
                    cr[y][x] = mab + prom;
                    uncr[x][y] = mab;
                    cr[x][y] = mab + prom;
                }
                else
                    if (scr[y][x] > scr[x][y])
                    {
                        double prom = scr[x][y];
                        double mab = (scr[y][x] - prom) / 2.0;
                        uncr[x][y] = (-1)*mab;
                        cr[x][y] = mab + prom;
                        uncr[y][x] = mab;
                        cr[y][x] = mab + prom;
                    }
                    else
                    {
                        uncr[x][y] = 0;
                        cr[x][y] = scr[x][y];
                        uncr[y][x] = 0;
                        cr[y][x] = scr[x][y];
                    }
            }
            else
            {
                cr[x][y] = scr[x][y];
                uncr[x][y] = 0;
            }
        }

    cout << "YES" << endl;
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            cout << cr[i][j] << " ";
        }
        cout << endl;
    }
    cout << endl;
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            cout << uncr[i][j] << " ";
        }
        if (i != n)
            cout << endl;
    }
    return 0;
}