CSES - Datatähti 2023 alku - Results
Submission details
Task:Ruudukko
Sender:Luc
Submission time:2022-11-02 22:40:44 +0200
Language:C++ (C++11)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.00 s1, 2, 3details
#20.00 s1, 2, 3details
#30.00 s1, 2, 3details
#40.01 s2, 3details
#50.01 s2, 3details
#60.02 s2, 3details
#70.24 s3details
#8--3details
#9--3details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:10:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |         scanf("%d", &n);
      |         ~~~~~^~~~~~~~~~
input/code.cpp:19:22: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |                 scanf("%d", &t);
      |                 ~~~~~^~~~~~~~~~

Code

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main(){
int n, i = 0, t;
scanf("%d", &n);
int l = n*n;
vector<int> a(l);
vector<ll> b(l, 1ll);
vector<pair<int,int>> c(l);
while(i<l){
scanf("%d", &t);
a[i]=t;
c[i]={t, i};
i++;
}
sort(c.begin(), c.end());
int x,y,m;
i=0;
while(c[i].first == 1)i++;
while(i<l){
m = c[i].first;
t = c[i].second;
x = 0;
y = 0;
while(x<n){
if(a[((int)(t/n))*n+x]<m) b[t] = (b[t] + b[((int)(t/n))*n+x])%1000000007ll;
if(a[t%n+y*n]<m) b[t] = (b[t] + b[t%n+y*n])%1000000007ll;
x++;
y++;
}
i++;
}
ll r=0;
i=0;
while(i<l){
printf("%lld\n", b[i]);
r=(r+b[i])%1000000007ll;
i++;
}
printf("%lld", r);
}
// brute force every path
// or store for each square what they're connected to
// then brute force?
// or
// make eaqually large array filled with 1
// for each 2 in input check possible 1s, for each a[i]+=1
// for each 3 in input check possible n<3s, for each a[i]+=a[j] (j == pos of n)

Test details

Test 1

Group: 1, 2, 3

Verdict:

input
3
1 1 1
1 1 1
1 1 1

correct output
9

user output
1
1
1
1
1
...

Test 2

Group: 1, 2, 3

Verdict:

input
3
1 2 3
6 5 4
7 8 9

correct output
135

user output
1
2
4
15
8
...

Test 3

Group: 1, 2, 3

Verdict:

input
3
7 8 1
4 5 4
3 9 6

correct output
57

user output
5
12
1
2
5
...

Test 4

Group: 2, 3

Verdict:

input
100
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
10000

user output
1
1
1
1
1
...
Truncated

Test 5

Group: 2, 3

Verdict:

input
100
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
187458477

user output
1
2
4
8
16
...
Truncated

Test 6

Group: 2, 3

Verdict:

input
100
2995 8734 1018 2513 7971 5063 ...

correct output
964692694

user output
722710254
868017708
44602209
590754864
404794544
...
Truncated

Test 7

Group: 3

Verdict:

input
1000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
1000000

user output
1
1
1
1
1
...
Truncated

Test 8

Group: 3

Verdict:

input
1000
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
229147081

user output
(empty)

Test 9

Group: 3

Verdict:

input
1000
520283 805991 492643 75254 527...

correct output
951147313

user output
(empty)