prepare (1/3): 
finished

make (2/3): 
g++ -g -Wall -O2 -o main.o -c main.cpp 
In file included from main.cpp:3:0:
unsorted_heap.h: In instantiation of 'TYPE unsorted_heap<TYPE, COMP>::dequeue_min() [with TYPE = point*; COMP = compare_t]':
main.cpp:234:5:   required from here
unsorted_heap.h:70:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(i=1;i<data.size();i++)
unsorted_heap.h: In instantiation of 'const TYPE& unsorted_heap<TYPE, COMP>::get_min() const [with TYPE = point*; COMP = compare_t]':
main.cpp:234:5:   required from here
unsorted_heap.h:89:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(i=1;i<data.size();i++)
In file included from main.cpp:2:0:
binary_heap.h: In instantiation of 'TYPE binary_heap<TYPE, COMP>::dequeue_min() [with TYPE = point*; COMP = compare_t]':
main.cpp:234:5:   required from here
binary_heap.h:87:9: warning: unused variable 'b' [-Wunused-variable]
     int b=data.size()-1;
         ^
g++ -g -Wall -O2 -o main main.o
finished

clean (3/3): 
finished

all task finished, build successfully