Compilare: user.cpp: In function ‘int main()’: user.cpp:23:10: warning: overflow in implicit constant conversion [-Woverflow] mini=20000000000; ^~~~~~~~~~~ user.cpp:26:13: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation] if(smax-2*i<mini) ^~ user.cpp:28:17: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘if’ nr2=smax-i; ^~~ user.cpp:24:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(i=1;i<=smax/2;i++) ^~~ user.cpp:31:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ fprintf(fout,"%d %d",nr1,nr2); ^~~~~~~ user.cpp:10:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^ user.cpp:13:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&v[i]); ^