HDU 4594 Script Z

一道恶心的模拟，写了一整晚上也不知道哪里错，借助大神的代码AC了

这是Hint ：The problem itself is easy of course. But some of the test cases of this problem are strange and annoying. Be careful!

#include<stdio.h>
#include<iostream>
#include<math.h>
#include<string.h>
#include<iomanip>
#include<stdlib.h>
#include<ctype.h>
#include<algorithm>
#include<deque>
#include<functional>
#include<iterator>
#include<vector>
#include<list>
#include<map>
#include<queue>
#include<set>
#include<stack>
#include<sstream>
#define CPY(A, B) memcpy(A, B, sizeof(A))
typedef long long LL;
typedef unsigned long long uLL;
const int MOD = 1e9 + 7;
const int INF = 0x3f3f3f3f;
const LL INFF = 0x3f3f3f3f3f3f3f3fLL;
const double EPS = 1e-9;
const double OO = 1e20;
const double PI = acos (-1.0);
int dx[]= {0,1,1,1,0,-1,-1,-1};
int dy[]= {1,1,0,-1,-1,-1,0,1};
int gcd (const LL &a, const LL &b) {return b==0?a:gcd (b,a%b);}
LL LLpow (LL a, LL b) {
if (b==0) {return 1;}
LL t=LLpow (a,b/2);
if (b%2) {return t*t*a;}
return t*t;
}
using namespace std;
int T,t,n,m;
map<string,string> match[4];
char str[1010],str2[1010],s1[1010],s2[1010];
int type1,type2,Err,Over;
bool Has_Equal() {
int i,len=strlen (str);
bool flag=0,flag2=0;
for (i=0; i<len; i++) {
if (str[i]==34) {flag2=1;}
if (str[i]=='=' && flag2==0) {
flag=true;
str[i]=' ';
}
if (str[i]==9) {str[i]=32;}
}
return flag;
}
bool kong() {
int i,len=strlen (str);
for (i=0; i<len; i++)
if (! (str[i]==' ' || str[i]==9) ) {
return false;
}
return true;
}
void solve() {
int i,len=strlen (str);
m=0;
for (i=0; i<len; i++)
if (str[i]==34) {break;}
m=i;
for (i=m; i<len; i++)
if (! (str[i]==' ' || str[i]==9) ) {str[m++]=str[i];}
str[m]='\0';
}
int main() {
string string1,string2;
scanf ("%d",&T);
for (t=1; t<=T; t++) {
if (t!=1) {puts ("");}
scanf ("%d",&n); getchar();
for (int i=0; i<=3; i++) {
match[i].clear();
}
Err=1; Over=0;/**Init*/
while (n--) {
gets (str);
solve();
if (Over==1) {continue;}
if (kong() ) {continue;}
if (Has_Equal() ) {
sscanf (str,"%s %s",s1,s2);
if (s1[0]=='$') {type1=0;}
else {type1=1;}
if (s2[0]!=34) {type2=0;}
else {type2=1;}
if (type1==0) {
match[0].erase (s1);
match[1].erase (s1);
match[type2][s1]=s2;
} else {
if (match[2].find (s1) ==match[2].end() && match[3].find (s1) ==match[3].end() ) {
match[2+type2][s1]=s2;
} else if (Err==1) {
printf ("WARNING: Constant %s Already Defined!\n",s1);
}
}
} else {
sscanf (str,"%s %s",s1,s2);
if (s1[0]=='P' && s1[1]=='a') { //Panic
printf ("Script was KILLED.\n");
Over=1;
} else if (s1[0]=='E' && s2[1]=='N') { //Errmsg ON
Err=1;
} else if (s1[0]=='E' && s2[1]=='F') { //Errmsg OFF
Err=0;
} else if (s1[0]=='P') { //Print
if (s2[0]=='$') {
if (match[0].find (s2) !=match[0].end() ) {
string1=match[0][s2];
cout<<string1<<endl;
} else if (match[1].find (s2) !=match[1].end() ) {
string1=match[1][s2];
string2=string1.substr (1,string1.length()-2);
cout<<string2<<endl;
} else {
printf ("NULL\n");
if (Err==1) {
printf ("NOTICE: Undefined Variable %s.\n",s2);
}
}
} else {
if (match[2].find (s2) !=match[2].end() ) {
string1=match[2][s2];
cout<<string1<<endl;
} else if (match[3].find (s2) !=match[3].end() ) {
string1=match[3][s2];
string2=string1.substr (1,string1.length()-2);
cout<<string2<<endl;
} else {
printf ("%s\n",s2);
if (Err==1) {
printf ("NOTICE: Undefined Constant %s.\n",s2);
}
}
}
} else if (s1[0]=='D') { //Dump
if (s2[0]=='$') {
if (match[0].find (s2) !=match[0].end() ) {
string1=match[0][s2];
printf ("integer: ");
cout<<string1<<endl;
} else if (match[1].find (s2) !=match[1].end() ) {
string1=match[1][s2];
printf ("string: ");
cout<<string1<<endl;
} else {
printf ("NULL\n");
if (Err==1) {
printf ("NOTICE: Undefined Variable %s.\n",s2);
}
}
} else {
if (match[2].find (s2) !=match[2].end() ) {
string1=match[2][s2];
printf ("integer: ");
cout<<string1<<endl;
} else if (match[3].find (s2) !=match[3].end() ) {
string1=match[3][s2];
printf ("string: ");
cout<<string1<<endl;
} else {
printf ("string: %c%s%c\n",34,s2,34);
if (Err==1) {
printf ("NOTICE: Undefined Constant %s.\n",s2);
}
}
}
}
}
}
}
return 0;
}