mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
92 lines
2.2 KiB
C++
92 lines
2.2 KiB
C++
#include <cstdio>
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#include <map>
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#include <string>
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using namespace std;
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map<string,int>mp,has;
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map<string,string>he;
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char a[10010];
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int n,m,k,u;
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int dfs(string s){
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if(mp.count(s))return mp[s];
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string l=he[s];
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int price=0;
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for(int i=0;l[i]!='\0';i++){
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if(l[i]==' '||l[i]=='+')continue;
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string g="";
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for(;l[i]!='\0'&&l[i]!=' ';i++)
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g+=l[i];
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if(mp.count(g))
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price+=mp[g];
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else{
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mp.insert(make_pair(g,dfs(g)));
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price+=mp[g];
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}
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}
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return price;
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}
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void dfs(string s,int t){
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if(!he.count(s)){
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has[s]-=t;
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return;
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}
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if(has[s]>=t){
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has[s]-=t;return;
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}
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t=t-has[s];
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has[s]=0;
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string l=he[s];
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for(int i=0;l[i]!='\0';i++){
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if(l[i]==' '||l[i]=='+')continue;
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string g="";
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for(;l[i]!='\0'&&l[i]!=' ';i++)
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g+=l[i];
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dfs(g,t);
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}
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}
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void make_map(){
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map<string,string>::iterator i;
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for(i=he.begin();i!=he.end();i++)
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mp.insert(make_pair(i->first,dfs(i->first)));
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}
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int main(void){
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int t;
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while(~scanf("%d",&n)){
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mp.clear();has.clear();he.clear();
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for(int i=1;i<=n;i++){
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scanf("%s %d",a,&t);
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mp.insert(make_pair(a,t));
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}
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scanf("%d",&m);
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for(int i=0;i<m;i++){
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scanf("%s %d",a,&t);
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has.insert(make_pair(a,t));
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}
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scanf("%d",&k);
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getchar();
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for(int j=0;j<k;j++){
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gets(a);
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string s="",g="";
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int i;
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for(i=0;a[i]!='=';i++)
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s+=a[i];
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for(i+=2;a[i]!='\0';i++)
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g+=a[i];
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he.insert(make_pair(g,s));
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}
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make_map();
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scanf("%d",&u);
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while(u--){
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scanf("%s %d",a,&t);
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dfs(a,t);
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}
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int ans=0;
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map<string,int>::iterator it;
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for(it=has.begin();it!=has.end();it++){
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if(it->second<0)
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ans+=-(it->second)*mp[it->first];
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}
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printf("%d\n",ans);
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}
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return 0;
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}
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