P42595: Control C401B

#include <iostream>
#include <vector>
using namespace std;


typedef vector< vector<int> > Matriu;

void read_matrix(Matriu& mat) {
    int f = mat.size();
    int c = mat[0].size();
    for (int i = 0; i < f; ++i) {
        for (int j = 0; j < c; ++j) {
            cin >> mat[i][j];
        }
    }
}

void min_max(Matriu& mat, int& minim, int& maxim) {
    int f = mat.size();
    int c = mat[0].size();
    for (int i = 0; i < f; ++i) {
        for (int j = 0; j < c; ++j) {
            if (mat[i][j] > maxim) maxim = mat[i][j];
            if (mat[i][j] < minim) minim = mat[i][j];
        }
    }
}

int main() {
    int f, c;
    int dif_max = 0;
    int count = 0;
    int primer = 1;
    while (cin >> f >> c) {
        Matriu mat(f, vector<int>(c));
        read_matrix(mat);
        ++count;
        int min = mat[0][0];
        int max = mat[0][0];
        min_max(mat, min, max);
        int dif = max - min;
        if (dif > dif_max) {
            dif_max = dif;
            primer = count;
        }
    }
    cout << "la diferencia maxima es " << dif_max << endl;
    cout << "la primera matriu amb aquesta diferencia es la " << primer << endl;
}