Compilare: main.cpp: In function 'int main()': main.cpp:22:24: warning: variable 'minim' set but not used [-Wunused-but-set-variable] int g, w, i, j, poz, minim ; ^~~~~ main.cpp:23:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &g, &w ) ; ^ main.cpp:27:47: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &v[i].e, &v[i].cst ) ; ^