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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 |
---|---|---|---|---|---|---|---|---|---|
#649785 | #4049. 预处理器 | Mr_Az | 90 | 15ms | 3884kb | C++14 | 2.2kb | 2024-10-18 10:19:28 | 2024-10-18 10:19:28 |
Judging History
answer
#include<iostream>
#include<cstdio>
#include<cstring>
#include<algorithm>
#include<vector>
#include<queue>
#include<stack>
#include<deque>
#include<set>
#include<map>
#include<cmath>
#include<bitset>
#include<list>
#define rint register int
#define mem(a,b) memset(a,b,sizeof a)
#define lowbit(x) (x&-x)
#define debug(a,b) cout<<"line"<<__LINE__<<":"<<a<<" = "<<b<<endl;
#define eb emplace_back
#define pb push_back
#define read raed
#define int long long
#define ls (p<<1)
#define rs (p<<1|1)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
const int inf=0x3f3f3f3f;
const ll INF=1e18;
template<typename T>
void read(T &x){
x=0;int f=1;char c=getchar();
while(!isdigit(c)){if(c=='-') f=-1;c=getchar();}
while(isdigit(c)){x=x*10+c-'0';c=getchar();}
x*=f;
}
template<typename T,typename ... Args>
void read(T &x, Args &... y){read(x);read(y...);}
int n;
string s;
map<string,string> Define;
map<string,bool> work;
inline bool is(char ch){
return (isalpha(ch)||isdigit(ch)||ch=='_');
}
inline string calc(string s){
cerr<<s<<" in\n";
string res="",t="";
if(Define[s]!="") return calc(Define[s]);
for(rint i=0;i<s.size();i++){
if(is(s[i])) t+=s[i];
else{
if((Define.find(t)!=Define.end()&&Define[t]!="")&&!work[t]){
work[t]=1;
res+=calc(Define[t]);
work[t]=0;
}
else res+=t;
res+=s[i];
t="";
}cerr<<i<<":"<<t<<endl;
}
if((Define.find(t)!=Define.end()&&Define[t]!="")&&!work[t]){
work[t]=1;
res+=calc(Define[t]);
work[t]=0;
}
else res+=t;
cerr<<res<<" out\n";
return res;
}
signed main(){
read(n);
for(rint i=1;i<=n;i++){
string now="";
getline(cin,s);
if(s[0]=='#'){
if(s[1]=='d'){
string t1="",t2="";
int j=8;
while(s[j]!=' '&&j<s.size()) t1+=s[j],j++;
j++;
while(s[j]!=' '&&j<s.size()) t2+=s[j],j++;
Define[t1]=t2;
cerr<<t1<<"|"<<t2<<"|"<<endl;
}
else{
string t1="";
int j=7;
while(s[j]!=' '&&j<s.size()) t1+=s[j],j++;
cerr<<t1<<"|"<<endl;
Define[t1]="";
}
cout<<endl;
}
else{
cout<<calc(s)<<endl;
}
}
return 0;
}
详细
Pretests
Final Tests
Test #1:
score: 10
Accepted
time: 1ms
memory: 3572kb
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: 1ms
memory: 3596kb
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: 1ms
memory: 3560kb
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: 0
Wrong Answer
time: 0ms
memory: 3568kb
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 C C B B C C C C C C [a, [a, [a, [a, [a, [a,
result:
wrong answer 2nd lines differ - expected: 'B B B C', found: 'B B C'
Test #5:
score: 10
Accepted
time: 1ms
memory: 3620kb
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: 12ms
memory: 3884kb
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: 11ms
memory: 3660kb
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: 15ms
memory: 3640kb
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: 3ms
memory: 3584kb
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: 8ms
memory: 3644kb
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