Compilare: main.cpp: In function 'int main()': main.cpp:31:25: warning: 'startPos' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << startPos << " " << endPos << " " << maxSum - minSum; ^~~ main.cpp:18:30: warning: 'maxSum' may be used uninitialized in this function [-Wmaybe-uninitialized] if (i == k || (i > k && v[i] > maxSum)) { ~~~~~~~^~~~~~~~~~~~~~~~~ main.cpp:25:33: warning: 'endPos' may be used uninitialized in this function [-Wmaybe-uninitialized] for (int i = 0; i <= endPos - k; i++) ~~~~~~~^~~