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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
#204846#3631. 解决难题lsr100608ms1992kbC++111.4kb2024-06-10 10:06:362024-06-10 12:03:18

answer

#include <bits/stdc++.h>
using namespace std;

#define QwQ3301AwA return 0
#define ll long long

const int N = 305;
const int mod = 1e9 + 7;
int n;
int s[N][N], a[N];
int w[N][N];

int ksm(int a, int b) {
    int ans = 1;
    for (; b; b >>= 1, a = 1ll * a * a % mod) {
        if (b & 1) ans = 1ll * ans * a % mod;
    }
    return ans;
}

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[i][j] = t[j - 1] - '0';
        }
    }
    for (int i = 1; i <= n; i++) cin >> a[i];
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            w[i][j] = s[j][i];
        }
        w[i][n + 1] = (mod - a[i]) % mod;
    }
    for (int i = 1; i <= n; i++) {
        int id = i;
        for (int j = i + 1; j <= n; j++) {
            if (w[j][i]) id = j;
        }
        if (id != i) swap(w[i], w[id]);
        int iv = ksm(w[i][i], mod - 2);
        for (int j = 1; j <= n + 1; j++) w[i][j] = 1ll * w[i][j] * iv % mod;
        for (int j = 1; j <= n; j++) {
            if (i == j) continue;
            int xs = w[j][i];
            for (int k = 1; k <= n + 1; k++) {
                w[j][k] = (w[j][k] - 1ll * xs * w[i][k] % mod + mod) % mod;
            }
        }
    }
    for (int i = 1; i <= n; i++) cout << w[i][n + 1] << ' ';
    QwQ3301AwA;
}

详细

小提示:点击横条可展开更详细的信息

Test #1:

score: 10
Accepted
time: 1ms
memory: 1280kb

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: 1288kb

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: 1284kb

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: 90ms
memory: 1988kb

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: 86ms
memory: 1992kb

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: 85ms
memory: 1992kb

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: 86ms
memory: 1988kb

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: 86ms
memory: 1988kb

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: 88ms
memory: 1988kb

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: 86ms
memory: 1988kb

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