Compilare: user.cpp: In function ‘int main()’: user.cpp:20:51: warning: array subscript has type ‘char’ [-Wchar-subscripts] for (int i=1;i<13;++i) scanf("%c",c+i),al[c[i]]=i;scanf("\n"); ^ user.cpp:24:60: warning: array subscript has type ‘char’ [-Wchar-subscripts] for (int j=0,l=strlen(aux);j<l;++j) s[i]+=al[aux[j]]; ^ user.cpp:34:98: warning: array subscript has type ‘char’ [-Wchar-subscripts] for (int i=1;i<=n;++i,printf("\n")) for (int j=0,l=s[i].size();j<l;++j) printf("%c",c[s[i][j]]); ^ user.cpp:15:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zimeria.in","r",stdin); ^ user.cpp:16:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zimeria.out","w",stdout); ^ user.cpp:19:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n%d\n",&ok,&n); ^ user.cpp:20:54: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (int i=1;i<13;++i) scanf("%c",c+i),al[c[i]]=i;scanf("\n"); ^ user.cpp:20:66: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (int i=1;i<13;++i) scanf("%c",c+i),al[c[i]]=i;scanf("\n"); ^ user.cpp:23:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n",aux); ^