QOJ.ac
QOJ
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| #366817 | #4049. 预处理器 | Physics212303 | 100 ✓ | 2ms | 3684kb | C++17 | 1011b | 2024-03-25 09:12:10 | 2024-03-25 09:12:11 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
unordered_map<string,string> m;
unordered_map<string,bool> m2;
string f(string s){
vector<variant<string,char> > v;
string t,r;
for(char j:s){
if(isalpha(j)||isdigit(j)||j=='_')t+=j;
else v.emplace_back(t),t="",v.emplace_back(j);
}
if(!t.empty())v.emplace_back(t);
for(auto i:v){
if(get_if<char>(&i))r+=get<char>(i);
else{
string x=get<string>(i);
if(m.find(x)!=m.end()&&!m2[x])
m2[x]=true,r+=f(m[x]),m2[x]=false;
else r+=x;
}
}
return r;
}
int main(){
ios::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
int n; cin>>n; cin.get();
vector<string> a(n);
for(auto &i:a){
getline(cin,i);
stringstream ss; ss<<i;
if(i.substr(0,2)=="#d"){
string s,t; ss>>s>>s; ss.get();
getline(ss,t); m[s]=t;
}
else if(i.substr(0,2)=="#u"){
string s; ss>>s>>s; m.erase(s);
}
else cout<<f(i);
cout<<endl;
}
return 0;
}
詳細信息
Test #1:
score: 10
Accepted
time: 1ms
memory: 3624kb
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: 3612kb
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: 3596kb
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: 3560kb
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: 1ms
memory: 3600kb
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: 1ms
memory: 3628kb
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: 2ms
memory: 3684kb
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: 0ms
memory: 3660kb
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: 0ms
memory: 3568kb
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: 1ms
memory: 3588kb
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