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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#91102 | #4900. 数列重排 | xyw | 45 | 22ms | 12460kb | C++14 | 1.3kb | 2023-03-27 12:10:24 | 2023-03-27 12:10:25 |
Judging History
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;
}
Details
Tip: Click on the bar to expand more detailed information
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%