split.cpp: In function 'int main()': split.cpp:35: warning: unused variable 'sumaij' split.cpp:55: warning: unused variable 'ff_cost' split.cpp:57: warning: unused variable 't_cost' split.cpp:59: warning: 'ii' may be used uninitialized in this function split.cpp:59: warning: 'jj' may be used uninitialized in this function split.cpp:59: warning: 'kk' may be used uninitialized in this function