Compilare: user.cpp: In function ‘int main()’: user.cpp:24:18: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin>>a[i]+1; ^ user.cpp:44:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<=strlen(c)-1;i++){ ^ user.cpp:70:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<=strlen(c)-2;i++){ ^ user.cpp:83:32: warning: ‘s’ may be used uninitialized in this function [-Wmaybe-uninitialized] s++; ^