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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
#91102#4900. 数列重排xyw45 22ms12460kbC++141.3kb2023-03-27 12:10:242023-03-27 12:10:25

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.
  • [2023-03-27 12:10:25]
  • 评测
  • 测评结果:45
  • 用时:22ms
  • 内存:12460kb
  • [2023-03-27 12:10:24]
  • 提交

answer

#include<bits/stdc++.h>
#define ll long long
using namespace std;
const int _=1e7+7,mod=998244353;
int m,l,r,X,n,pw[_],ans[_],res,Sum[_];
char s[_];
ll calc(int i,int j,int s0,int s1){
	int mid=j/2,P=s1-j;ll S=0,SS=0;
	S+=(ll)mid*(s0-i+1)+(ll)(j-mid)*(s0-i+1);
	SS+=(ll)mid*(s1-mid)+(ll)(j-mid)*(s1-(j-mid));
	mid=P/(s0/i-1);int sb=P-(s0/i-1)*mid,sa=(s0/i-1)-sb;
	S+=(ll)sa*mid*(s0-2*i+2)+(ll)sb*(mid+1)*(s0-2*i+2);
	SS+=(ll)sa*mid*(s1-mid)+(ll)sb*(mid+1)*(s1-(mid+1));
	return S+SS/2;
}
void solve(){
	for(int i=l;i<=r;i++){
		if(i==0||m==1){res^=pw[i]*((ll)(n+1)*n/2%mod)%mod;continue;}
		int s0=Sum[i-1],s1,sum=0;
		s1=n-s0;sum=((ll)s0*(s0+1)/2-((2ll*s0-i+2)*(i-1)/2))%mod;
		if(s0/i>1){
			int x=2*i,qqq=s1-2*i;
			x+=qqq/(s0/i+1)*2;
			if(s1<2*i)x=s1;
			sum+=calc(i,x,s0,s1);
		}else {
			int mid=s1/2;ll S=0,SS=0;
			S+=(ll)mid*(s0-i+1);
			SS+=(ll)mid*(s1-mid);
			S+=(ll)(s1-mid)*(s0-i+1);
			SS+=(ll)(s1-mid)*(s1-(s1-mid));
			sum+=S+SS/2;
		}sum%=mod;
		res^=((ll)pw[i]*sum%mod);
	}
	printf("%d\n",res);
}
int main(){
	scanf("%d%d%d%d",&m,&l,&r,&X);
	scanf("%s",s);pw[0]=1;
	for(int i=1;i<=m;i++)
		pw[i]=(ll)pw[i-1]*233%mod;
	Sum[0]=X+s[0]-'0';
	for(int i=1;i<m;i++)
		Sum[i]=Sum[i-1]+X+s[i]-'0';
	n=X*m;
	for(int i=0;i<m;i++)n+=s[i]-'0';
	solve();
	return 0;
}

详细

Subtask #1:

score: 5
Accepted

Test #1:

score: 5
Accepted
time: 2ms
memory: 3520kb

input:

2 0 2 2
01

output:

541257

result:

ok 1 number(s): "541257"

Test #2:

score: 0
Accepted
time: 2ms
memory: 3504kb

input:

4 1 4 2
00001

output:

525797597

result:

ok 1 number(s): "525797597"

Test #3:

score: 0
Accepted
time: 2ms
memory: 3500kb

input:

9 0 9 1
000000000

output:

711136343

result:

ok 1 number(s): "711136343"

Test #4:

score: 0
Accepted
time: 2ms
memory: 3436kb

input:

1 0 1 9
0

output:

10456

result:

ok 1 number(s): "10456"

Test #5:

score: 0
Accepted
time: 2ms
memory: 3504kb

input:

2 1 2 3
11


output:

1518844

result:

ok 1 number(s): "1518844"

Subtask #2:

score: 15
Accepted

Dependency #1:

100%
Accepted

Test #6:

score: 15
Accepted
time: 2ms
memory: 3540kb

input:

21 0 21 9
111010011100100100000

output:

171658329

result:

ok 1 number(s): "171658329"

Test #7:

score: 0
Accepted
time: 2ms
memory: 3492kb

input:

200 0 200 1
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

output:

287932632

result:

ok 1 number(s): "287932632"

Test #8:

score: 0
Accepted
time: 2ms
memory: 3536kb

input:

120 3 119 1
101000110101001100011100001011101110101010000011101110010101101000111100111100001001010010110001110011001010110001101111

output:

856785458

result:

ok 1 number(s): "856785458"

Test #9:

score: 0
Accepted
time: 2ms
memory: 3432kb

input:

2 0 2 99
10

output:

67513337

result:

ok 1 number(s): "67513337"

Subtask #3:

score: 15
Accepted

Dependency #2:

100%
Accepted

Test #10:

score: 15
Accepted
time: 2ms
memory: 3680kb

input:

10 1 9 499
0110011010

output:

47418354

result:

ok 1 number(s): "47418354"

Test #11:

score: 0
Accepted
time: 2ms
memory: 3440kb

input:

100 0 100 49
1100100011111101111111001000000100010000101010110000011011110100100011111000111101100010001000001100

output:

100314042

result:

ok 1 number(s): "100314042"

Test #12:

score: 0
Accepted
time: 1ms
memory: 3472kb

input:

1000 0 1000 4
1011110001101000100110000111011110101100110011100010001100001101000111100011100011110101000010000100101011010110000110100011011010011000111100100100100001000011001000000000111001010001000000110001001011100010011101010011011110001101000010010000101000100001111101001100100001010010001100...

output:

738329201

result:

ok 1 number(s): "738329201"

Test #13:

score: 0
Accepted
time: 2ms
memory: 3548kb

input:

5000 0 5000 1
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

76076468

result:

ok 1 number(s): "76076468"

Subtask #4:

score: 0
Wrong Answer

Test #14:

score: 0
Wrong Answer
time: 2ms
memory: 3536kb

input:

2 0 1 114514
10

output:

-1036538374

result:

wrong answer 1st numbers differ - expected: '934764137', found: '-1036538374'

Subtask #5:

score: 10
Accepted

Test #17:

score: 10
Accepted
time: 20ms
memory: 12460kb

input:

1000000 1000000 1000000 928
01100010010000000101111110001111011101111000011110100101011110011001001000011000110101101100111110000100101010111001111100010011100110000000111110110100001100000000011101100001010001010000010000001001000110011111010101111100001001110110010100000011000010010001111010011100...

output:

437299311

result:

ok 1 number(s): "437299311"

Test #18:

score: 0
Accepted
time: 2ms
memory: 3524kb

input:

100 100 100 10000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

output:

119118463

result:

ok 1 number(s): "119118463"

Subtask #6:

score: 0
Wrong Answer

Test #19:

score: 0
Wrong Answer
time: 22ms
memory: 12324kb

input:

1000000 0 1000000 1
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

364620014

result:

wrong answer 1st numbers differ - expected: '852768823', found: '364620014'

Subtask #7:

score: 0
Wrong Answer

Test #21:

score: 0
Wrong Answer
time: 10ms
memory: 12248kb

input:

1000000 0 9823 627
01110001011101001100010011100101001011000011011110001101010000000101010111110111110010010001110100101001111000111100011101111001000000100111000010010100010101110110111110100010101010001110111001100011010001111000101010000110010010101110101010111110110001110111111000001110000110011...

output:

12721729

result:

wrong answer 1st numbers differ - expected: '383638431', found: '12721729'

Subtask #8:

score: 0
Skipped

Dependency #1:

100%
Accepted

Dependency #2:

100%
Accepted

Dependency #3:

100%
Accepted

Dependency #4:

0%

Subtask #9:

score: 0
Skipped

Dependency #1:

100%
Accepted

Dependency #2:

100%
Accepted

Dependency #3:

100%
Accepted

Dependency #4:

0%