prog.cpp: In member function ‘std::string LongWordsDiv2::find(std::string)’:
prog.cpp:15:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<word.size()-1;i++){
^
prog.cpp:19:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<word.size()-1;i++){
^
prog.cpp:20:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int j=i+1;j<word.size();j++){
^
prog.cpp:23:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int k=j+1;k<word.size()-1;k++){
^
prog.cpp:24:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int l=k+1;l<word.size();l++){
^
/usr/lib/gcc/i486-linux-gnu/4.8/../../../i386-linux-gnu/crt1.o: In function `_start':
(.text+0x18): undefined reference to `main'
collect2: error: ld returned 1 exit status