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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 |
---|---|---|---|---|---|---|---|---|---|
#669289 | #7306. Multi-stage Marathon | Afterlife# | AC ✓ | 656ms | 58148kb | C++20 | 4.5kb | 2024-10-23 17:59:20 | 2024-10-23 17:59:23 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
// #define int long long
const int P=1e9+7;
const int mod = 1e9 + 7;
int qpow(int a,int b)
{
int ret=1;
while(b)
{
if(b&1)
ret=1ll*ret*a%P;
b>>=1;
a=1ll*a*a%P;
}
return ret;
}
int s;
struct Matrix {
int a[71][71];
Matrix(int _t=0){
for(int i=0;i<s;i++)
for(int j=0;j<s;j++)
a[i][j]=(i==j)*_t;
}
void Set(int _t = 0) {
for(int i=0;i<s;i++)
for(int j=0;j<s;j++)
a[i][j]=(i==j)*_t;
}
};
Matrix operator *(const Matrix &a,const Matrix &b)
{
Matrix c;
for(int i=0;i<s;i++)
for(int k=0;k<s;k++)
for(int j=0;j<s;j++)
c.a[i][j]=(c.a[i][j]+1ll*a.a[i][k]*b.a[k][j])%P;
return c;
}
Matrix qpow(Matrix a,int b)
{
Matrix ret(1);
while(b)
{
if(b&1)
ret=ret*a;
b>>=1;
a=a*a;
}
return ret;
}
int n,m,T;
int ans[2000005 + 100];
int f[2000005 + 100];
int sol[2000005];
int val[75][75];
vector<int> bm(vector<int> s) {
int n = s.size() , L = 0 , m = 0;
vector<int> C(n) , B(n) , T ;
C[0] = B[0] = 1;
int b = 1;
for(int i = 0;i < n;i++) {
++m ;
int d = s[i] % mod;
for(int j = 1;j <= L;j++) d = (d + 1LL * C[j] * s[i - j]) % mod;
if(!d) continue ;
T = C ;
int coef = 1LL * d * qpow(b , mod - 2) % mod;
for(int j = m ; j < n;j++) C[j] = (C[j] - 1LL * coef * B[j - m]%mod + mod) % mod;
if(2 * L > i) continue ;
L = i + 1 - L;
B = T ;
b = d ;
m = 0;
}
C.resize(L + 1) ;
C.erase(C.begin()) ;
for(auto &x : C) x = (mod - x) % mod;
return C ;
}
Matrix ta[150];
vector<int> cal[2000005 + 100];
signed main()
{
ios::sync_with_stdio(false);
cin.tie(0);
cin>>n>>m>>T;
s=n;
Matrix A;
for(int i=0;i<n;i++)
{
string s;
cin>>s;
// s=string(n,'1');
vector<int> v;
for(int j=0;j<n;j++)
{
if(s[j]=='0')
continue;
v.push_back(j);
}
int p=qpow(v.size(),P-2);
for(auto j:v)
A.a[j][i]=p;
}
ta[0].Set(1);
ta[1] = A;
for(int i = 2;i <= n * 2 +2;i++) {
ta[i] = ta[i - 1] * A;
// printf("on %d : %d\n",i,ta[i].a[n-1][0]) ;
}
for(int i = 1;i <= n;i++) {
for(int j = 0 ; j <= n+2;j++) {
val[i][j] = ta[j].a[n - 1][i - 1] ;
// printf("%d %d : %d\n",i,j,val[i][j]) ;
}
}
vector<int> v;
vector<int> h( n + 1);
mt19937 rnd(0);
for(int j = 1;j <= n;j++) h[j] = rnd()%mod ;
for(int i = 0;i < n* 2 ;i++) {
int d = 0;
for(int j = 1;j <= n;j++) {
d = (d + 1LL * ta[i].a[n - 1][j - 1] * h[j]) % mod;
}
v.push_back(d) ;
}
vector<int> coe = bm(v) ;
// for(int i = 0 ;i < coe.size();i++) printf("%d ",coe[i]) ; printf("\n") ;
// v.clear() ;
// for(int i = 0;i < n* 2 ;i++) {
// v.push_back(ta[i].a[n - 1][2 - 1]) ;
// }
// coe = bm(v) ;
// for(int i = 0 ;i < coe.size();i++) printf("%d ",coe[i]) ; printf("\n") ;
// for(int i = coe.size() ; i < v.size();i++) {
// int d = 0;
// for(int j = 0;j < coe.size();j++) {
// d = (d + 1LL * coe[j] * v[i - j - 1]) % mod;
// }
// // printf("%d : %d %d\n",i,v[i],d);
// }
for(int i = 1;i <= m;i++) {
int t , v;
cin >> t >> v;
// t=rand()%T+1;v=rand()%n+1;
for(int j = t ; j < t + coe.size() ; j++) {
f[j] = (f[j] + val[v][j - t]) % mod;
}
// ans[t + coe.size()] = (ans[t + coe.size()] + val[v][coe.size() ]) % mod;
cal[t + coe.size()].push_back(v);
}
int E = 0;
for(int i = 1;i <= T;i++ ) {
if(i >= coe.size()) {
for(auto v : cal[i]) {
for(int j = 0;j < coe.size();j++) {
ans[i - j - 1] = (ans[i - j - 1] + val[v][coe.size() - j - 1]) % mod;
}
}
for(int j = 0;j < coe.size();j++) ans[i] = (ans[i] + 1LL * coe[j] * ans[i - j - 1]) %mod;
}
sol[i] = (ans[i] + f[i]) % mod;
// cout << i <<' ' << sol[i] << '\n';
E ^= sol[i];
}
cout << E << '\n';
return 0;
}
这程序好像有点Bug,我给组数据试试?
详细
Test #1:
score: 100
Accepted
time: 3ms
memory: 7976kb
input:
2 2 2 11 11 1 1 2 2
output:
500000005
result:
ok 1 number(s): "500000005"
Test #2:
score: 0
Accepted
time: 0ms
memory: 7944kb
input:
3 1 6 110 011 101 1 1
output:
191901811
result:
ok 1 number(s): "191901811"
Test #3:
score: 0
Accepted
time: 68ms
memory: 8020kb
input:
70 1000 10000 1000000000000000000000000000000100000000100000000000000100000000000000 0110000000000001100000100000000000000001000000010000000000000000000000 0010000000000000000000000000000000000000000000000000000000000000000000 0001000000000000000000000000001000000000000000000000000000000000100000 00...
output:
1026871829
result:
ok 1 number(s): "1026871829"
Test #4:
score: 0
Accepted
time: 62ms
memory: 8072kb
input:
70 1000 10000 1000000000000000000000000000000000000000000000000000000001000001010000 0100000000000000000000000000000010000000000000000000000000000000000000 0010000000000000000000010100000001000001000000000000000010000000000000 0001000000000000000010000000000000010000000000000000000000000000000000 00...
output:
743579645
result:
ok 1 number(s): "743579645"
Test #5:
score: 0
Accepted
time: 69ms
memory: 8140kb
input:
70 1000 10000 1100000001000100000000000001110000000000000100000000000001000000000100 0110010000000100000000000100000000100000100000000000000000000000010001 0010000010000000000000000000000000001000000000000000000100010000000000 1001100010100000001000010000000000000001000000000000010000000000001000 00...
output:
362752022
result:
ok 1 number(s): "362752022"
Test #6:
score: 0
Accepted
time: 65ms
memory: 10116kb
input:
70 1000 10000 1010000100000010100001010000100000000010000110110000000000000000001000 0101000010000100001010101010010000000000000000000000001011011010000100 0010001010001100000010010001001001101100010110100010001000000010000000 0101000001100010101010101101000100000101110010000100100010100110000001 00...
output:
69495152
result:
ok 1 number(s): "69495152"
Test #7:
score: 0
Accepted
time: 69ms
memory: 8072kb
input:
70 1000 10000 1110001110101011001011011010000110000110001100010010110011111100001000 1101110110001010001111001101010100001001101010001100101111010011010001 1010011100110110110001001011100110101101111110001100101010100111101110 1001001001000111110100001000001011001000111101111101000001111111110111 00...
output:
976173806
result:
ok 1 number(s): "976173806"
Test #8:
score: 0
Accepted
time: 65ms
memory: 8296kb
input:
70 1000 10000 1111111111011111111100101011001011111101100111111111111111101011011111 1110111111100100101111111101111110111111100111110000101111101101101111 1111110111111110101000110011110111101111110111111111111111011110111011 1111011111001110111110101111111100011101111100110111011111111011001010 11...
output:
407126826
result:
ok 1 number(s): "407126826"
Test #9:
score: 0
Accepted
time: 61ms
memory: 8072kb
input:
70 1000 10000 1111110101111111110111111111111111111101111010110111111111111111011111 1111011111111111111111111011111111111111111111110111111111111111111111 1110110111101100111111011110111111111111101111111111111111111111111111 1111111111111111110111111111111110111111011011111111101111111010011111 01...
output:
95235184
result:
ok 1 number(s): "95235184"
Test #10:
score: 0
Accepted
time: 62ms
memory: 10116kb
input:
70 1000 10000 1111110111110111111111111111111111111111111111101111111111111111101111 1111111011111011111111111111111111111111111111111111111111111111111111 1111111111111111111011111111110111111111111011111111111111011111111111 1111110111111111111111111011101110101111111111111111101111101111111111 11...
output:
137040690
result:
ok 1 number(s): "137040690"
Test #11:
score: 0
Accepted
time: 68ms
memory: 10180kb
input:
70 1000 10000 1111111111111111111111111111111111111111111111111111111111111111111111 1111111101111011111101111111111011111111111111111111111110011111111111 1111111111111111101111111111111110111011111111011111111111111111111111 1111111111111111111111111111111111111111111111111111111111111111111111 11...
output:
918692147
result:
ok 1 number(s): "918692147"
Test #12:
score: 0
Accepted
time: 91ms
memory: 57752kb
input:
70 10000 2000000 1111111111111111111111111111111111111111111111111111111111111111111111 1111111111111111111111111111111111111111111111111111111111111111111111 1111111111111111111111111111111111111111111111111111111111111111111111 1111111111111111111111111111111111111111111111111111111111111111111111...
output:
154305482
result:
ok 1 number(s): "154305482"
Test #13:
score: 0
Accepted
time: 555ms
memory: 57956kb
input:
70 10000 2000000 1000010000000000000000000001000000000000000000000000000010000000000000 0100000000000000000000010000000001000010000000000000000000000000000000 0010000000000000000000100000000001001000000000000000000000000000010000 0001000000100000000000000000000000000000000000000000000100000000000000...
output:
601860703
result:
ok 1 number(s): "601860703"
Test #14:
score: 0
Accepted
time: 646ms
memory: 58124kb
input:
70 10000 2000000 1000000000000000010000000001000000000100000000000000001000000000000000 0110000001000000000000000010000000000000000001000001000000000000000000 0010000000110000010010001000000000000000000000101100000000000000000100 0001000000000000010000000000000000000101000100010000000000010010000000...
output:
632681263
result:
ok 1 number(s): "632681263"
Test #15:
score: 0
Accepted
time: 640ms
memory: 57948kb
input:
70 10000 2000000 1000100000100000000000000000000000000001000000011010110000000000100000 1100100010000000000000101000000000000000000000000001000000000000000000 0010000000000001000000000000000001000000000000010000000000000001000000 0001000000001000000000000010100100000000000000000001000100000000001000...
output:
50850594
result:
ok 1 number(s): "50850594"
Test #16:
score: 0
Accepted
time: 656ms
memory: 58148kb
input:
70 10000 2000000 1100000001001000001000100000010000100001000111000001110001100000000100 0110001100000011000001100000001100010100010100010000101100101110001100 0110000100110010001000100000010000010100010000000000000101000101000000 0101000100011010100000000010000010100000011100100000110101001010001100...
output:
117421938
result:
ok 1 number(s): "117421938"
Test #17:
score: 0
Accepted
time: 645ms
memory: 57520kb
input:
70 10000 2000000 1011001110101010010100110110100011001101010001100011111010101111100100 1111000000100001000100100111000011111011110111111000110100101010011010 0011110100101011000000010000100011110100011111001000100010110111110011 0001000111111000001100100110110010110000001010000101110110000000011011...
output:
671321149
result:
ok 1 number(s): "671321149"
Test #18:
score: 0
Accepted
time: 647ms
memory: 57960kb
input:
70 10000 2000000 1111111111101011101101111111011111100111111111001111011100111111110110 0111011001011100111100111111100101101111111101100111100011111111111101 1010111111111110111111111110110110111110111011100111000001111011110100 1111110100101010101111010111101111111111111111111111011101011111101111...
output:
714929330
result:
ok 1 number(s): "714929330"
Test #19:
score: 0
Accepted
time: 651ms
memory: 57816kb
input:
70 10000 2000000 1001111111111111111111111110111111011111111011011111111101111111111111 1110101111011110111111111111111111111111111111110111111111111111110110 1011010110101111111101111111111011111111111110111111100101111111100111 1111111110111111111111100111111100111111101111110101011101111110110111...
output:
706080518
result:
ok 1 number(s): "706080518"
Test #20:
score: 0
Accepted
time: 647ms
memory: 57916kb
input:
70 10000 2000000 1111111111111111111111111111111101111110111111111111111111111111111111 1111110111111111111111111111111111111111111111111111111111101111110111 1111111101111111111111111111111111111111111111111111101011111111111111 1111111111111111111111111111111111111111111111111111111111111111111111...
output:
456121666
result:
ok 1 number(s): "456121666"
Test #21:
score: 0
Accepted
time: 526ms
memory: 58056kb
input:
70 10000 2000000 1111110111111111111111111111111111111111111111111111111111111111111111 1101111111111111111101111111111111111111111110111111111111111110111111 1111111111111111111111111111111111111111111111011111111111111111111111 1111111111111111111111111111111111111111111111111111111110111011111011...
output:
964660092
result:
ok 1 number(s): "964660092"
Extra Test:
score: 0
Extra Test Passed