Compiler output
prog.cpp: In function 'int main()':
prog.cpp:61:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<sol.size();i++)
^
prog.cpp:76:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<sol.size();i++)
^
prog.cpp: In function 'int main()':
prog.cpp:61:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<sol.size();i++)
^
prog.cpp:76:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<sol.size();i++)
^
