#include<stdio.h>#include<string.h>#include<iostream>using namespace std;int n,a[26],ans,tag;char ex2[500];char ex[500];bool vis[26];int main(){ scanf("%d",&n); getchar(); for(int i=0;i<n;i++) { gets(ex2); strcpy(ex,ex2); for(int j=0;j<strlen(ex);j++) {if(ex[j]==' '){ int p=j; for(;ex[p]!=' ';p++) ex[p]=ex[p+1]; j--;} } memset(vis,0,sizeof(vis)); for(int j=0;j<26;j++) a[j]=j+1; int label=1; ans=0; for(int j=0;j<strlen(ex);j++) { if(ex[j]=='-'|| ex[j]=='+') { if((ex[j+1]=='-' && ex[j]=='-' ||ex[j+1]=='+'&&ex[j]=='+')&& (ex[j+2]<='z' && ex[j+2]>='a')) { a[ex[j+2]-'a']+=ex[j]=='+'?1:-1,j+=1; vis[ex[j+1]-'a']=1; } else label=ex[j]=='+'?1:-1; } else if(ex[j]<='z'&&ex[j]>='a') { int flag=0; ans+=label*a[ex[j]-'a']; if(!vis[ex[j]-'a']) flag=1,vis[ex[j]-'a']=1; if(flag&&(ex[j+1]=='-'&&ex[j+2]=='-' || ex[j+1]=='+'&&ex[j+2]=='+')) { a[ex[j]-'a']+=ex[j+1]=='+'?1:-1,j+=2; } } } printf("expression: %sn",ex2); printf("value = %dn",ans); for(int j=0;j<26;j++) { if(vis[j]) printf("%c = %dn",j+'a',a[j]); } } return 0; }
