Ruudukko

input/code.cpp: In function 'void ruudukko()':
input/code.cpp:27:50: warning: 'min' may be used uninitialized in this function [-Wmaybe-uninitialized]
    std::cout << min << (c == input - 1 ? "" : " ");
                                                  ^

#include <iostream>

void ruudukko() {
	int input;
	std::cin >> input;
	int* matrix = new int[input*input];
	bool* included = new bool[2*input];
	for (int r = 0; r < input; ++r) {
		for (int c = 0; c < input; ++c) {
			for (int i = 0; i < 2*input; ++i) {
				included[i] = false;
			}
			for (int top = 0; top < r; ++top) {
				included[matrix[top*input + c] - 1] = true;
			}
			for (int left = 0; left < c; ++left) {
				included[matrix[r*input + left] - 1] = true;
			}
			int min;
			for (int i = 0; i < 2*input; ++i) {
				if (!included[i]) {
					min = i + 1;
					break;
				}
			}
			matrix[r*input + c] = min;
			std::cout << min << (c == input - 1 ? "" : " ");
		}
		std::cout << "\n";
	}
	delete[] matrix;
	delete[] included;
}

int main() {
	ruudukko();
	return 0;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED