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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#644459#4049. 预处理器_CLY_100 ✓3ms3820kbC++171.5kb2024-10-16 14:03:182024-10-16 14:03:19

Judging History

你现在查看的是最新测评结果

  • [2024-10-16 14:03:19]
  • 评测
  • 测评结果:100
  • 用时:3ms
  • 内存:3820kb
  • [2024-10-16 14:03:18]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
const int N=205;
int n;
string s;
map<string,string> mp;
bool pd(char c){
	if((c>='A'&&c<='Z')||(c>='a'&&c<='z')||(c>='0'&&c<='9')||c=='_') return 1;
	return 0;
}
string get(string s,int &st,bool f){
	string t="";
	int ls=s.size();
	while(st<ls&&(pd(s[st])||f)) t=t+s[st],st++;
	return t;
}
void ins(){
	int st=0,ls=s.size();
	while(s[st]!=' ') st++; st++;
	string t=get(s,st,0); st++;
	string t2=get(s,st,1);
//	cout<<t<<" -> "<<t2<<'\n';
	mp[t]=t2;
}
void del(){
	int st=0,ls=s.size();
	while(s[st]!=' ') st++; st++;
	string t=get(s,st,0);
//	cout<<t<<"!\n";
	mp[t]="";
}
map<string,int> bz;
void dfs(string t){
	string tt="";
	int st=0,lt=t.size();
	while(st<lt){
		if(pd(t[st])) tt=tt+t[st];
		else{
			if(!bz[tt]&&mp[tt]!=""){
				bz[tt]=1;
				dfs(mp[tt]);
				bz[tt]=0;
			}
			else cout<<tt;
			cout<<t[st];
			tt="";
		}
		st++;
	}
	if(!bz[tt]&&mp[tt]!=""){
		bz[tt]=1;
		dfs(mp[tt]);
		bz[tt]=0;
	}
	else cout<<tt;
}
void print(string t){
	bz.clear();
	string ts="";
	int lt=t.size();
	for(int i=0;i<lt;i++){
		if(pd(t[i])) ts=ts+t[i];
		else{
			dfs(ts);
			cout<<t[i];
			ts="";
		}
	}
	dfs(ts);
	puts("");
}
int main(){
//	freopen("4.in","r",stdin);
//	freopen("t1.out","w",stdout);
	scanf("%d ",&n);
	while(n--){
		getline(cin,s);
		if(s[0]=='#'){
			if(s[1]=='d') ins();
			else del();
			puts("");
			continue;
		}
		print(s);
	}
	return 0;
}

详细


Pretests


Final Tests

Test #1:

score: 10
Accepted
time: 1ms
memory: 3676kb

input:

1
printf("Hello, world!\n");

output:

printf("Hello, world!\n");

result:

ok single line: 'printf("Hello, world!\n");'

Test #2:

score: 10
Accepted
time: 0ms
memory: 3688kb

input:

5
#define PI 3.14159
#define E 2.71828
std::cout << PI * r * r << std::endl;
std::cout << log10(x) / log10(E) << std::endl;
std::cout << "E^(PI * i) + 1 = 0" << std::endl;

output:



std::cout << 3.14159 * r * r << std::endl;
std::cout << log10(x) / log10(2.71828) << std::endl;
std::cout << "2.71828^(3.14159 * i) + 1 = 0" << std::endl;

result:

ok 5 lines

Test #3:

score: 10
Accepted
time: 0ms
memory: 3656kb

input:

5
#define A abc
#define B hij
A B AB BA B A
#undef A
A B AB BA B A

output:



abc hij AB BA hij abc

A hij AB BA hij A

result:

ok 5 lines

Test #4:

score: 10
Accepted
time: 0ms
memory: 3684kb

input:

9
#define A B B
A B C
C B A
#define B C C
A B C
C B A
#define C [a, b, c]
A B C
C B A

output:


B B B C
C B B B

C C C C C C C
C C C C C C C

[a, b, c] [a, b, c] [a, b, c] [a, b, c] [a, b, c] [a, b, c] [a, b, c]
[a, b, c] [a, b, c] [a, b, c] [a, b, c] [a, b, c] [a, b, c] [a, b, c]

result:

ok 9 lines

Test #5:

score: 10
Accepted
time: 0ms
memory: 3688kb

input:

6
#define A A+B+C
#define B b+C
#define C B+c
A*B*C
#undef B
A*B*C

output:




A+b+B+c+b+C+c*b+B+c*b+C+c

A+B+B+c*B*B+c

result:

ok 6 lines

Test #6:

score: 10
Accepted
time: 2ms
memory: 3820kb

input:

100
8czu(!@iNcuVcs9Zu3/a.$Fo{Fij<4.'Y}JZ:6>2%evBhvjA7IItz`85q'pJ 80"<+vdDzt`?D9L\Ryx0y2[Lu Viek6-NfJ X}=
b&"Yz8kOQ{?yVq\>C85o*Y,XaEb^?;Cf?{iTg**mSZy?NtY'sD 9PWlvF3vug7v\=gw_um^1S,.rjONR'!~jLF=xrQNAx]P=Ze ;
}^<pTuLfJ~y,QN{ 0&oB}2Y)f2V=o|hr3!wl@x36N2X^t&wL!CD)gR  guy^??Io;%5~9a/C_`mkk0z4&t7yT\<iNAa+7y...

output:

8czu(!@iNcuVcs9Zu3/a.$Fo{Fij<4.'Y}JZ:6>2%evBhvjA7IItz`85q'pJ 80"<+vdDzt`?D9L\Ryx0y2[Lu Viek6-NfJ X}=
b&"Yz8kOQ{?yVq\>C85o*Y,XaEb^?;Cf?{iTg**mSZy?NtY'sD 9PWlvF3vug7v\=gw_um^1S,.rjONR'!~jLF=xrQNAx]P=Ze ;
}^<pTuLfJ~y,QN{ 0&oB}2Y)f2V=o|hr3!wl@x36N2X^t&wL!CD)gR  guy^??Io;%5~9a/C_`mkk0z4&t7yT\<iNAa+7y(ZOa...

result:

ok 100 lines

Test #7:

score: 10
Accepted
time: 3ms
memory: 3764kb

input:

100
#define a ?!*(\@{$.!(;!'?<(=^
V X o i C I H p M A e L O F P x z h b T K s l t u Q E G m d R D c q J w N y f g U n j r v B S k W a
#define b >'[&-~?<@`](!+*(}{+
h g S l A T r N O M C k a w U G H s m E t n v f u e d K b y c W Q o x V B L R I J p i q j D X z F P
#define c }{);'|{*?>&\<];!+!|
X h c ...

output:


V X o i C I H p M A e L O F P x z h b T K s l t u Q E G m d R D c q J w N y f g U n j r v B S k W ?!*(\@{$.!(;!'?<(=^

h g S l A T r N O M C k ?!*(\@{$.!(;!'?<(=^ w U G H s m E t n v f u e d K >'[&-~?<@`](!+*(}{+ y c W Q o x V B L R I J p i q j D X z F P

X h }{);'|{*?>&\<];!+!| z T C P Q M G ?!*(\...

result:

ok 100 lines

Test #8:

score: 10
Accepted
time: 2ms
memory: 3708kb

input:

100
#define b \)&%\<=!$(><[[./*{\
o p R a x m V i F H O X J e K d z Q C G b E M s l t u A W T I N h D c q L w P y f g U n j r v B S k
#define p &-~?<@`](!+*(}{+?-|
g W T N h X y w A C r s b l k a S Q K E m c t n v M R u e H O d f F G U o x z P B L V I J p i q j D
#define W '|{*?>&\<];!+!|{^+"
S V j ...

output:


o p R a x m V i F H O X J e K d z Q C G \)&%\<=!$(><[[./*{\ E M s l t u A W T I N h D c q L w P y f g U n j r v B S k

g W T N h X y w A C r s \)&%\<=!$(><[[./*{\ l k a S Q K E m c t n v M R u e H O d f F G U o x z P B L V I J &-~?<@`](!+*(}{+?-| i q j D

S V j P &-~?<@`](!+*(}{+?-| O g X R y T D C...

result:

ok 100 lines

Test #9:

score: 10
Accepted
time: 2ms
memory: 3764kb

input:

100
#define b X*
E x X l q u r h J t j H P S D O d v U e C k Q w M y a z V s F K A m N G W n T b c B L f I R g i o p
#define N T>
p V E q b j A O N l d a z R G J C i X P I h F W B t U u v L H M n w K k x D r y g S f s o Q c e T m
#define P X&
K U y Q g A V l b D E e w s k H a r P S M C N m c t n v O...

output:


E x X l q u r h J t j H P S D O d v U e C k Q w M y a z V s F K A m N G W n T X* c B L f I R g i o p

p V E q X* j A O T> l d a z R G J C i X P I h F W B t U u v L H M n w K k x D r y g S f s o Q c e T m

K U y Q g A V l X* D E e w s k H a r X& S M C T> m c t n v O T u j h d f F G W o x z R B L X I...

result:

ok 100 lines

Test #10:

score: 10
Accepted
time: 2ms
memory: 3764kb

input:

100
#define b V*
E x X l q u r h J t j H P S D O d v U e C k Q w M y a z V s F K A m N G W n T b c B L f I R g i o p
#define N x>
p V E q b j A O N l d a z R G J C i X P I h F W B t U u v L H M n w K k x D r y g S f s o Q c e T m
#define P D&
K U y Q g A V l b D E e w s k H a r P S M C N m c t n v O...

output:


E x X l q u r h J t j H P S D O d v U e C k Q w M y a z V s F K A m N G W n T V* c B L f I R g i o p

p V E q V* j A O x> l d a z R G J C i X P I h F W B t U u v L H M n w K k x D r y g S f s o Q c e T m

K U y Q g A V l V* D E e w s k H a r D& S M C x> m c t n v O T u j h d f F G W o x z R B L X I...

result:

ok 100 lines

Extra Test:

score: 0
Extra Test Passed