Compilare: main.c: In function 'main': main.c:38:2: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &ln); ^~~~~~~~~~~~~~~~~~~~~ main.c:39:2: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &col); ^~~~~~~~~~~~~~~~~~~~~~ main.c:55:4: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &mat[i][j]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c: In function 'getMins': main.c:23:13: warning: 'ind' may be used uninitialized in this function [-Wmaybe-uninitialized] *indexMin1 = ind; ~~~~~~~~~~~^~~~~ main.c: In function 'main': main.c:87:7: warning: 'ind' may be used uninitialized in this function [-Wmaybe-uninitialized] if (j != indM1) { ^