Compilare: user.cpp: In function ‘void citire()’: user.cpp:23:44: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d\n%lf\n", &N, &M, &Lmax); ^ user.cpp:26:65: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &a[i][j]), ef[i][j]=inf, d[i][j]=inf; ^ user.cpp:27:46: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d%d%d", &li, &ci, &lf, &cf); ^ user.cpp: In function ‘double efort(nod*, nod*)’: user.cpp:54:1: warning: control reaches end of non-void function [-Wreturn-type] } ^