Compiler output
prog.cpp: In function 'int main()':
prog.cpp:33:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
cin>>s+1;
^
prog.cpp:36:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i=0;i<A.size();i++)
^
prog.cpp:39:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i=0;i<A.size();i++)
^
prog.cpp:42:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i=0;i<A.size();i++)
^
