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 |
---|---|---|---|---|---|---|---|---|---|
#204845 | #3631. 解决难题 | drdilyor | 100 | 1166ms | 1984kb | C++ | 1.2kb | 2024-06-10 10:06:07 | 2024-06-10 12:03:13 |
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
int n;
int a[305];
const int mod=1e9+7;
int s[305][305];
int qkp(int b,int p){
int r=1;
while(p){
if(p&1)(r*=b)%=mod;
p/=2;
(b*=b)%=mod;
}
return r;
}
signed main(){
ios::sync_with_stdio(0),cin.tie(0);
cin>>n;
for(int i=1;i<=n;i++){
string t;cin>>t;
for(int j=1;j<=n;j++)s[j][i]=t[j-1]-'0';
}
for(int i=1;i<=n;i++)cin>>s[i][n+1],s[i][n+1]=mod-s[i][n+1];
for(int i=1;i<=n;i++){
int p=i;
for(int j=1;j<=n;j++){
if(j<i&&s[j][j])continue;
if(s[j][i]>s[p][i])p=j;
}
for(int j=1;j<=n+1;j++)swap(s[i][j],s[p][j]);
if(!s[i][i])continue;
for(int j=1;j<=n;j++){
if(j!=i){
int f=s[j][i]*qkp(s[i][i],mod-2)%mod;
for(int k=1;k<=n+1;k++)s[j][k]-=f*s[i][k]%mod,s[j][k]+=mod,s[j][k]%=mod;
}
}
}
for(int i=1;i<=n;i++)cout<<s[i][n+1]*qkp(s[i][i],mod-2)%mod<<" ";
//xi
//x1*s[1][1]+x2*s[2][1]+...=a[1]
//x1*s[1][2]+x2*s[2][2]+...=a[2]
return 0;
}
详细
小提示:点击横条可展开更详细的信息
Test #1:
score: 10
Accepted
time: 0ms
memory: 1276kb
input:
5 76703 98327 73227 92255 86574 999999955 999999969 999999986 999999982 999999973
output:
0 3 0 1 2
result:
ok single line: '0 3 0 1 2 '
Test #2:
score: 10
Accepted
time: 0ms
memory: 1272kb
input:
6 422776 414954 155320 199876 991820 249380 999999971 999999942 999999963 999999944 999999971 999999...
output:
0 1 2 3 3 0
result:
ok single line: '0 1 2 3 3 0 '
Test #3:
score: 10
Accepted
time: 0ms
memory: 1276kb
input:
7 8466030 1242063 9970648 8406710 6727521 3812850 6818000 999999949 999999932 999999967 999999975 99...
output:
1 2 3 0 0 3 2
result:
ok single line: '1 2 3 0 0 3 2 '
Test #4:
score: 10
Accepted
time: 169ms
memory: 1980kb
input:
300 270000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
output:
916258358 519022538 821314397 887968260 11163141 313697293 687278761 469796877 984340226 751985575 5...
result:
ok single line: '916258358 519022538 821314397 ... 331722994 308740977 758811862 '
Test #5:
score: 10
Accepted
time: 169ms
memory: 1984kb
input:
300 670000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
output:
793590813 38968613 380775900 856812394 892644411 739342894 618361240 909158937 596399756 765250805 3...
result:
ok single line: '793590813 38968613 380775900 8... 600870385 829088743 827827874 '
Test #6:
score: 10
Accepted
time: 168ms
memory: 1984kb
input:
300 260000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
output:
260857797 558914696 641474878 530689259 774125674 873816490 135582984 53553722 208459287 483548768 8...
result:
ok single line: '260857797 558914696 641474878 ... 873813040 349436502 601876619 '
Test #7:
score: 10
Accepted
time: 162ms
memory: 1984kb
input:
300 542128399337590285552625503935250783437069735052009124583459108286630823938623650996978703141295...
output:
459797728 372681007 711682710 189156773 637377863 425217164 697243107 969129956 342783347 843862464 ...
result:
ok single line: '459797728 372681007 711682710 ... 945919047 546146588 650580996 '
Test #8:
score: 10
Accepted
time: 172ms
memory: 1984kb
input:
300 343453698687744797543345812953303350530512599745228777654167066084273997667944678773815747388110...
output:
337130183 892627090 271144213 863033645 813826393 145830026 919497590 408492009 659875616 857127694 ...
result:
ok single line: '337130183 892627090 271144213 ...9 215066431 66494347 424629741 '
Test #9:
score: 10
Accepted
time: 170ms
memory: 1984kb
input:
300 773493559344634369215007470620961968422951355377925074753917769102332126548041118014733383081237...
output:
509429906 707540433 826810458 540705775 986479660 571475627 440514599 552886801 271935147 575425656 ...
result:
ok single line: '509429906 707540433 826810458 ... 193041818 291874845 493645754 '
Test #10:
score: 10
Accepted
time: 156ms
memory: 1984kb
input:
300 670162159026137251715327745422913995527399141028480083023288273026330075072367299393258107821374...
output:
681729629 227486508 91304693 509549909 867960922 705949224 662769082 287216122 589027416 883658154 6...
result:
ok single line: '681729629 227486508 91304693 5... 757156478 107189872 267694498 '
Extra Test:
score: 0
Extra Test Passed