Compilare: main.cpp: In function 'int cerinta2()': main.cpp:63:38: warning: left operand of comma operator has no effect [-Wunused-value] for (int i = n - 1, j = m - 1; j > sfCol, i > sfLin; --j, --i) { ~~^~~~~~~ main.cpp:73:28: warning: 'nrCol' may be used uninitialized in this function [-Wmaybe-uninitialized] int nr = n * m - n - m - nrCol + 2; ~~~~~~~~~~~~~~^~~~~~~ main.cpp:66:24: warning: 'contor' may be used uninitialized in this function [-Wmaybe-uninitialized] tgV[contor - 1] = (double)a[i - 1][j - 1] / lg; ~~~~~~~^~~ main.cpp:41:25: warning: 'sfLin' may be used uninitialized in this function [-Wmaybe-uninitialized] int nrPcteDiag = 1, sfLin, sfCol; ^~~~~