Compilare: user.cpp: In function ‘void construire(int, int, int, int, int, int)’: user.cpp:9:3: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(i1<i2) ^ user.cpp: In function ‘int main()’: user.cpp:64:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d",&n,&lG,&cG); ^