000089.cpp: In function 'int main()':
000089.cpp:52:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
000089.cpp:61:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
000089.cpp:75:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
000089.cpp:77:28: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::pair<int, int>' [-Wformat]
