Eroare de compilare: main.cpp:6:11: error: conflicting declaration 'long long int rez' long long rez; ^~~ main.cpp:5:21: note: previous declaration as 'int rez' int semn,st,dr,rest,rez,i; ^~~ main.cpp: In function 'int main()': main.cpp:12:20: error: 'c' was not declared in this scope scanf("%d %s",&c,&a); ^ main.cpp:17:17: warning: comparison with string literal results in unspecified behavior [-Waddress] while(a[i]!="\n") ^~~~ main.cpp:17:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] main.cpp:19:18: warning: comparison with string literal results in unspecified behavior [-Waddress] if(a[i]=="-") ^~~ main.cpp:19:18: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] main.cpp:21:18: warning: comparison with string literal results in unspecified behavior [-Waddress] if(a[i]=="+") ^~~ main.cpp:21:18: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] main.cpp:23:18: warning: comparison with string literal results in unspecified behavior [-Waddress] if(a[i]>="0" && a[i]<="9") ^~~ main.cpp:23:18: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] main.cpp:23:31: warning: comparison with string literal results in unspecified behavior [-Waddress] if(a[i]>="0" && a[i]<="9") ^~~ main.cpp:23:31: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] main.cpp:25:13: error: 'nr' was not declared in this scope nr=0; ^~ main.cpp:26:25: warning: comparison with string literal results in unspecified behavior [-Waddress] while(a[i]>="0" && a[i]<="9") ^~~ main.cpp:26:25: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] main.cpp:26:38: warning: comparison with string literal results in unspecified behavior [-Waddress] while(a[i]>="0" && a[i]<="9") ^~~ main.cpp:26:38: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] main.cpp:34:22: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type 'int' [-Wformat=] printf("%lld",rez); ^ main.cpp:10:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("eq4.in","r",stdin); ^ main.cpp:11:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("eq4.out","w",stdout); ^ Non zero exit status: 1