range in map

mpatest.cpp

#include<map>
#include<cstdio>
#include<cstdlib>

typedef std::map<int, int> mic;
typedef std::map<int, int>::iterator itmic;
int main(){
	mic mmap;
	itmic it;
	for(int lx = 0;lx < 100000;lx++)
		mmap[lx] = (lx*lx + 1)%1932712;
	itmic start = mmap.find(20);
	itmic end = mmap.find(100);
	end++;
	for(itmic it = start;it != end;it++){
		printf("%d -> %d\n", it->first, it->second);
	}
	return 0;
}