#include<cstdio>
#include<algorithm>
#include<cstdlib>
#include<cstring>
#include<iostream>
#include<cstring>
#include<set>
#include<map>
#include<vector>
#include<functional>
#define INF 0x3f3f3f3f3f3f3f3f
#define LL long long
#define maxn 500
using namespace std;
int main()
{
map<int,string>mmp;
mmp.insert(pair<int,string>(3,"345"));
mmp[1]="123";
mmp[1]="234";
map<int,string>::iterator p;
p=mmp.begin();p++;
//mmp.erase(p);
for(map<int,string>::iterator it=mmp.begin();it!=mmp.end();it++)
{
cout << it->first << ' ' << it->second << endl;
}
cout << mmp.size() <<endl;
map<string,int>pmm;
pmm["123"]=2;
for(map<string,int>::iterator it=pmm.begin();it!=pmm.end();it++)
{
cout << it->first << ' ' << it->second << endl;
}
map<string,int>::iterator it;
it=pmm.find("123");
if(it!=pmm.end())
cout << it->second << endl;
return 0;
}
STL里头的map使用
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转载自blog.csdn.net/wwwlps/article/details/79705065
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