XDOJ 1152: 数据库查询
题意:数据结构题,stlAC掉;
#include<iostream>
#include<algorithm>
#include<map>
#include<stack>
#include<vector>
#include<queue>
#include<set>
#include<string>
using namespace std;
typedef struct node{
string a;
int b;
}node;
struct cmp{
bool operator()(node aa,node bb){
return aa.b<bb.b;
}
};
bool cmp1(node aa,node bb){
return aa.b<bb.b;
}
node vu[150];
int main(){
int m,n;
string ss,dd;
map<node,string,cmp>ma;
while(scanf("%d %d",&m,&n)!=EOF){
cin>>ss>>dd;
for(int i=1;i<=m;i++){
cin>>vu[i].a>>vu[i].b;
}
sort(vu+1,vu+m+1,cmp1);
string pp,oo,dd;
cin>>pp>>oo>>dd;
for(int i=1;i<=n;i++){
node t;string r;
cin>>t.a>>t.b>>r;
ma.insert(make_pair(t,r));
}
cout<<pp<<" "<<oo<<" "<<dd<<endl;
map<node,string>::iterator it;
for(int i=1;i<=m;i++){
it=ma.find(vu[i]);
if(it==ma.end()){
cout<<vu[i].a<<" "<<vu[i].b<<" "<<"NULL"<<endl;
}
else{
cout<<vu[i].a<<" "<<vu[i].b<<" "<<(*it).second<<endl;
}
}
ma.clear();
}
return 0;
}

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