Compilare: user.cpp: In function ‘int main()’: user.cpp:135:38: warning: format ‘%lf’ expects argument of type ‘double’, but argument 3 has type ‘int’ [-Wformat=] if( N == 1 ){ fprintf(g,"%.6lf",0); return 0; } ^ user.cpp: In function ‘void Citire()’: user.cpp:30:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d\n",&N); ^ user.cpp:32:44: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d\n",&v[i].x,&v[i].y); ^