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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#114545#855. A Very Different WordEastKing#AC ✓2ms3608kbC++14957b2023-06-22 15:25:512023-06-22 15:25:52

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-06-22 15:25:52]
  • 评测
  • 测评结果:AC
  • 用时:2ms
  • 内存:3608kb
  • [2023-06-22 15:25:51]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int M=1e5+5,P=26;
char op[5],A[M],B[M];
int sum[M],n;
void solve(){
	for(int i=0;i<n;i++){
		sum[i]=A[i]-'a';
	}
	sum[n]=0;
	reverse(sum,sum+n);
	for(int i=1;i<=26;i++){
		sum[0]++;
		bool f=0;
		for(int i=0;i<n;i++){
			sum[i+1]+=sum[i]/P;
			sum[i]%=P;
			if(sum[i]==op[0]-'a')f=1;
		}
		if(sum[n]>0){
			cout<<"NO\n";
			return;
		}
		if(f){
			reverse(sum,sum+n);
			for(int i=0;i<n;i++){
				A[i]=sum[i]+'a';
			}
			A[n]=0;
			//cerr<<"check:"<<A<<'\n';
			bool flag=0;
			for(int i=0;i<n;i++){
				if(A[i]==B[i])continue;
				if(A[i]<B[i]){
					flag=1;
					break;
				}
			}
			//cout<<"ans:";
			if(!flag)cout<<"NO\n";
			else {
				A[n]=0;
				cout<<A<<'\n';
			}
			return;
		}
	}
	cout<<"NO\n";
}
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	int cas;
	cin>>cas;
	while(cas--){
		cin>>n>>op>>A>>B;
		solve();
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3448kb

input:

4
10 m
christmasa
christmasx
6 m
spring
winter
21 a
ithinkthereforeisleep
ithinkthereforeithink
3 z
tcs
tcz

output:

christmasb
sprinm
ithinkthereforeislefa
NO

result:

ok OK!

Test #2:

score: 0
Accepted
time: 1ms
memory: 3488kb

input:

149
10 m
christmasa
christmasx
21 a
ithinkthereforeisleep
ithinkthereforeithink
3 z
tcs
tcz
6 m
spring
winter
8 b
aaaaaaaa
aaaaaaac
9 l
aaabbbccc
xxxyyyzzz
14 c
abcaxzzzzzzzzz
abcayyyyyyyyyy
10 a
christmasa
christmasx
16 x
abcabcxyyyyzlmnt
abcabcxyyyyzlmob
11 q
qwertyaaaau
qwertyaaaba
12 z
nomnomnom...

output:

christmasb
ithinkthereforeislefa
NO
sprinm
aaaaaaab
aaabbbccl
abcayaaaaaaaaa
christmasb
abcabcxyyyyzlmnu
qwertyaaaav
NO
NO
NO
NO
y
NO
x
r
v
t
u
x
p
y
k
k
p
w
o
r
f
s
y
f
y
p
NO
p
g
o
k
y
m
NO
t
v
r
w
n
o
e
i
o
l
x
q
i
q
o
u
c
NO
h
n
f
f
j
w
y
s
v
y
h
i
n
NO
t
s
l
v
m
v
u
r
m
j
t
v
t
h
k
q
x
h
t
x
f
...

result:

ok OK!

Test #3:

score: 0
Accepted
time: 1ms
memory: 3444kb

input:

308
16 r
pppppppppppppppp
pppppppppppppppq
183 h
yadswtbucvyybqqbzelblcqjxodpsicgtjzagazrnqxycqhadpljbzlneduawfsfxxvoipdafjdpamgeydrjercplbvdbhieiofdgegkgxezghtwwhqzigfjgouvputfkmawngwgvgsknfkgupbwujaielpryeifgfukygdjxmvlkziruxbuxqz
yadswtbucvyybqqbzelblcqjxodpsicgtjzagazrnqxycqhadpljbzlneduawfsfxxv...

output:

NO
yadswtbucvyybqqbzelblcqjxodpsicgtjzagazrnqxycqhadpljbzlneduawfsfxxvoipdafjdpamgeydrjercplbvdbhieiofdgegkgxezghtwwhqzigfjgouvputfkmawngwgvgsknfkgupbwujaielpryeifgfukygdjxmvlkziruxbuxra
rumfusabgtvavyqvmw
lxnfntyxjpmtqnqubthagytoddtpqcxlexdtflwzyokizyrcqkpctbjewodyusiiepdvkmjouoajxwvapvtmatbnwbpsqq...

result:

ok OK!

Test #4:

score: 0
Accepted
time: 2ms
memory: 3452kb

input:

2534
49 v
sttadpsqbqbrttbnnaudjbicnhslcmpgbfphuafaunknstbna
sttadpsqbqbrttbnnaudjbicnhslcmpgbfphuafaunknstbnf
31 y
jhbujlddqaseoestrlgmcaehcmakfdc
jhbujlddqaseoestrlgmcaehcmakfdt
19 w
dobmjbrdafhdglecfdf
dobmjbrdafhdglecfdi
45 v
dufgpssgnuhfehflqrmqpeijaskfsfrfpileifqmbsqia
dufgpssgnuhfehflqrmqpeija...

output:

NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
...

result:

ok OK!

Test #5:

score: 0
Accepted
time: 0ms
memory: 3608kb

input:

4
25000 h
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff...

output:

NO
zxyyadswtbucvyybqqbzelblcqjxodpsicgtjzagazrnqxycqhadpljbzlneduawfsfxxvoipdafjdpamgeydrjercplbvdbhieiofdgegkgxezghtwwhqzigfjgouvputfkmawngwgvgsknfkgupbwujaielpryeiffukygdjxmvlkziruxbuxqzguhcevzputscajbughtgvtaevoywqbvkmgvtmitzclxnfntyxjpmtqnqubthagyoldfdqtcpsqwchxvlmenxfdstdfvlkwqzsygokkgimzsyprkc...

result:

ok OK!