Compilare: main.cpp: In function 'int main()': main.cpp:20:59: warning: variable 'index2' set but not used [-Wunused-but-set-variable] int minim = (1 << 30), index, minim2 = (1 << 30), index2; ^~~~~~ main.cpp:25:54: warning: 'index' may be used uninitialized in this function [-Wmaybe-uninitialized] if (matrix[i][j] + dp[i - 1][j] < minim2 && j != index) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~