CSES - Datatähti 2023 alku - Results
Submission details
Task:Ruudukko
Sender:EeliH
Submission time:2022-10-31 10:38:59 +0200
Language:C++ (C++11)
Status:READY
Result:28
Feedback
groupverdictscore
#1ACCEPTED28
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2, 3details
#2ACCEPTED0.00 s1, 2, 3details
#3ACCEPTED0.00 s1, 2, 3details
#4ACCEPTED0.01 s2, 3details
#5--2, 3details
#60.02 s2, 3details
#7--3details
#8--3details
#9--3details

Compiler report

input/code.cpp: In function 'uint64_t laske_reitit(int, int)':
input/code.cpp:11:22: warning: comparison of integer expressions of different signedness: 'uint64_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   11 |     if (reitit[i][j] != -1) {
      |         ~~~~~~~~~~~~~^~~~~

Code

#include <bits/stdc++.h>

using namespace std;

int n;
uint64_t reitit[1000][1000];
uint64_t ruudukko[1000][1000];

uint64_t laske_reitit(int i, int j)
{
    if (reitit[i][j] != -1) {
        return reitit[i][j];
    }

    uint64_t nreitit = 0;
    for (int k = 0; k < n; k++) {
        if (ruudukko[i][k] < ruudukko[i][j]) {
            nreitit += 1 + laske_reitit(i, k);
        }

        if (ruudukko[k][j] < ruudukko[i][j]) {
            nreitit += 1 + laske_reitit(k, j);
        }
    }

    reitit[i][j] = nreitit;
    return nreitit;
}

int main()
{
    cin >> n;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            cin >> ruudukko[i][j];
        }
    }

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            reitit[i][j] = -1;
        }
    }

    uint64_t nreitit = 0;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            nreitit += 1 + laske_reitit(i, j);
        }
    }

    cout << nreitit % 1000000007 << endl;
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
3
1 1 1
1 1 1
1 1 1

correct output
9

user output
9

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
3
1 2 3
6 5 4
7 8 9

correct output
135

user output
135

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
3
7 8 1
4 5 4
3 9 6

correct output
57

user output
57

Test 4

Group: 2, 3

Verdict: ACCEPTED

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

correct output
10000

user output
10000

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
(empty)

Test 6

Group: 2, 3

Verdict:

input
100
2995 8734 1018 2513 7971 5063 ...

correct output
964692694

user output
458862793

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
(empty)

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)