Compilare: main.cpp: In function 'int main()': main.cpp:64:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<in.size();i++){ ~^~~~~~~~~~ main.cpp:11:15: warning: unused variable 'x' [-Wunused-variable] int n, i, x, nod, contor=0, steag, p0, p1, nod_c, y, nod0, nod1, schimb, nr_muchii, schimb_f, schimb_tot=0, rasp, aux; ^ main.cpp:16:21: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d", &n); ^ main.cpp:18:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d", &v1[i]); ^ main.cpp:21:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d", &v2[i]); ^