/in/ex3.cpp: In function 'int main(int, char**)':
/in/ex3.cpp:42:20: error: suggest explicit braces to avoid ambiguous 'else' [-Werror=dangling-else]
             else if(tmp==1)for(char j='A';j<='Z';j++)if(toposition(upper_change(j))==cnt)cout<<j;
                    ^
cc1plus: all warnings being treated as errors
/in/compile/Makefile:20: recipe for target 'ex3.o' failed
make: *** [ex3.o] Error 1