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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#91108#4900. 数列重排xyw100 ✓396ms91400kbC++141.3kb2023-03-27 12:31:272023-03-27 12:31:30

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 12:31:30]
  • 评测
  • 测评结果:100
  • 用时:396ms
  • 内存:91400kb
  • [2023-03-27 12:31:27]
  • 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=(sum+calc(i,x,s0,s1))%mod;
		}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=(sum+S+SS/2)%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;
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 5
Accepted

Test #1:

score: 5
Accepted
time: 2ms
memory: 3440kb

input:

2 0 2 2
01

output:

541257

result:

ok 1 number(s): "541257"

Test #2:

score: 0
Accepted
time: 2ms
memory: 3640kb

input:

4 1 4 2
00001

output:

525797597

result:

ok 1 number(s): "525797597"

Test #3:

score: 0
Accepted
time: 2ms
memory: 3676kb

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: 3672kb

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: 3492kb

input:

21 0 21 9
111010011100100100000

output:

171658329

result:

ok 1 number(s): "171658329"

Test #7:

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

input:

200 0 200 1
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

output:

287932632

result:

ok 1 number(s): "287932632"

Test #8:

score: 0
Accepted
time: 3ms
memory: 3428kb

input:

120 3 119 1
101000110101001100011100001011101110101010000011101110010101101000111100111100001001010010110001110011001010110001101111

output:

856785458

result:

ok 1 number(s): "856785458"

Test #9:

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

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: 0ms
memory: 3672kb

input:

10 1 9 499
0110011010

output:

47418354

result:

ok 1 number(s): "47418354"

Test #11:

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

input:

100 0 100 49
1100100011111101111111001000000100010000101010110000011011110100100011111000111101100010001000001100

output:

100314042

result:

ok 1 number(s): "100314042"

Test #12:

score: 0
Accepted
time: 0ms
memory: 3528kb

input:

1000 0 1000 4
1011110001101000100110000111011110101100110011100010001100001101000111100011100011110101000010000100101011010110000110100011011010011000111100100100100001000011001000000000111001010001000000110001001011100010011101010011011110001101000010010000101000100001111101001100100001010010001100...

output:

738329201

result:

ok 1 number(s): "738329201"

Test #13:

score: 0
Accepted
time: 0ms
memory: 3528kb

input:

5000 0 5000 1
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

76076468

result:

ok 1 number(s): "76076468"

Subtask #4:

score: 5
Accepted

Test #14:

score: 5
Accepted
time: 2ms
memory: 3440kb

input:

2 0 1 114514
10

output:

934764137

result:

ok 1 number(s): "934764137"

Test #15:

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

input:

2 0 1 1919810
01

output:

685371514

result:

ok 1 number(s): "685371514"

Test #16:

score: 0
Accepted
time: 2ms
memory: 3672kb

input:

2 0 1 500000000
00

output:

318651831

result:

ok 1 number(s): "318651831"

Subtask #5:

score: 10
Accepted

Test #17:

score: 10
Accepted
time: 14ms
memory: 12292kb

input:

1000000 1000000 1000000 928
01100010010000000101111110001111011101111000011110100101011110011001001000011000110101101100111110000100101010111001111100010011100110000000111110110100001100000000011101100001010001010000010000001001000110011111010101111100001001110110010100000011000010010001111010011100...

output:

437299311

result:

ok 1 number(s): "437299311"

Test #18:

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

input:

100 100 100 10000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

output:

119118463

result:

ok 1 number(s): "119118463"

Subtask #6:

score: 10
Accepted

Test #19:

score: 10
Accepted
time: 15ms
memory: 12252kb

input:

1000000 0 1000000 1
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

852768823

result:

ok 1 number(s): "852768823"

Test #20:

score: 0
Accepted
time: 8ms
memory: 12296kb

input:

1000000 0 1000000 1
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

852768823

result:

ok 1 number(s): "852768823"

Subtask #7:

score: 15
Accepted

Test #21:

score: 15
Accepted
time: 10ms
memory: 12224kb

input:

1000000 0 9823 627
01110001011101001100010011100101001011000011011110001101010000000101010111110111110010010001110100101001111000111100011101111001000000100111000010010100010101110110111110100010101010001110111001100011010001111000101010000110010010101110101010111110110001110111111000001110000110011...

output:

383638431

result:

ok 1 number(s): "383638431"

Test #22:

score: 0
Accepted
time: 7ms
memory: 12228kb

input:

1000000 456755 465755 982
0100111111100111100010100011110111111101011111101110010011101011110011111010110000110001101001011101000110111100110100101111101011111010101011101000011101100000000111000010101011011000111010101101111011100101010010000110101011110010101011111101110101100010000100001110000100...

output:

982882798

result:

ok 1 number(s): "982882798"

Test #23:

score: 0
Accepted
time: 2ms
memory: 3532kb

input:

1000 0 1000 999999
11101000001100101110100011011111010000110101000000010101111010110110100110000001101110100011010111001000000010110101110001010111101000100010010010110000000001011110010010101111110000100001000111000010110001100100011100001000111001110110001010100000110110000110001111101101000010111...

output:

337235666

result:

ok 1 number(s): "337235666"

Test #24:

score: 0
Accepted
time: 4ms
memory: 12272kb

input:

1000000 990001 1000000 999
110110000110101111001000001001011000010000101001111110001101100011001001111001010001110110010111110100000101110000101101000111001100010100010100001001001011011100001010111100110110011001110010001110011001111100011001100111110000111011011100100100011111101100011000100011011...

output:

794028825

result:

ok 1 number(s): "794028825"

Subtask #8:

score: 15
Accepted

Dependency #1:

100%
Accepted

Dependency #2:

100%
Accepted

Dependency #3:

100%
Accepted

Dependency #4:

100%
Accepted

Dependency #5:

100%
Accepted

Dependency #6:

100%
Accepted

Dependency #7:

100%
Accepted

Test #25:

score: 15
Accepted
time: 55ms
memory: 12288kb

input:

1000000 1 999999 632
111111100000011110001111101100010010111100000010101111111001010001101011101110001010010101001000111110101010100010011001101111011111011000011111011100101011110011000100100110111100101010000110010011110010111011001011001001001111000100000011101001100011011001100100011010000010100...

output:

610044514

result:

ok 1 number(s): "610044514"

Test #26:

score: 0
Accepted
time: 40ms
memory: 12284kb

input:

1000000 0 1000000 888
11011001110110111010100110110001000101110100001111110000011110101010110001100101010001110101010111001110100000110101000000011001111100100000010101100000011100110001011010110100001100111010100111011000110100100101110010100001100100000101000001101011010111001000101001110001111000...

output:

255140225

result:

ok 1 number(s): "255140225"

Test #27:

score: 0
Accepted
time: 43ms
memory: 12280kb

input:

1000000 0 1000000 1000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

1066353724

result:

ok 1 number(s): "1066353724"

Test #28:

score: 0
Accepted
time: 2ms
memory: 3668kb

input:

100 0 100 9999999
1000101010111010100001001100001001100101000000111000000000111010000000000000101001110011001000111011

output:

583823543

result:

ok 1 number(s): "583823543"

Test #29:

score: 0
Accepted
time: 77ms
memory: 21016kb

input:

2000000 0 2000000 499
11100010011000101100101001000010010011110000000110011101001000100010101101010001011001001011100000111010100110011111001100100101000001000010010000000000011111011100100100110001110011101100110101001011011101001111010100010011001101111110110100010011110111010110100000101100101100...

output:

356463868

result:

ok 1 number(s): "356463868"

Test #30:

score: 0
Accepted
time: 88ms
memory: 21008kb

input:

2000000 0 2000000 499
00010101111100001110110010101100100111001010011100011011001100101001001111110001010011100000001101010001111000000010111011111110111010111010010010000011011110001110010000000000110000101110110101010011101101011001011001011110100010101000000011010100010010101000010111101110000111...

output:

111807544

result:

ok 1 number(s): "111807544"

Subtask #9:

score: 10
Accepted

Dependency #1:

100%
Accepted

Dependency #2:

100%
Accepted

Dependency #3:

100%
Accepted

Dependency #4:

100%
Accepted

Dependency #5:

100%
Accepted

Dependency #6:

100%
Accepted

Dependency #7:

100%
Accepted

Dependency #8:

100%
Accepted

Test #31:

score: 10
Accepted
time: 395ms
memory: 91400kb

input:

10000000 0 10000000 99
0011100100001001101101010011001111100000001110100000000100110100110110111110010010001001100100000111111100111100001110101001011101000101001001001010001011110101001101011001110011100011010101001101001111000010110011010000011011110110100001001101110111101101010011010011111111011...

output:

704917900

result:

ok 1 number(s): "704917900"

Test #32:

score: 0
Accepted
time: 396ms
memory: 91372kb

input:

10000000 0 10000000 99
1101011001100000100101000101100000011010001111111111000000001011001111101101100100001100001100000001000011110001101010001001100001011110100101011010000011001011110010011000111101100000001100001100000100000011000101110000001001100111001011011000101110001101110010001110001110111...

output:

850705320

result:

ok 1 number(s): "850705320"