CSES - Aalto Competitive Programming 2025 - wk2 - Homework

Submission details
Task:	Apartments
Sender:	rikachu
Submission time:	2025-09-08 10:54:07 +0300
Language:	C++ (C++11)
Status:	READY
Result:	RUNTIME ERROR

Test results
test	verdict	time
#1	RUNTIME ERROR	0.37 s	details
#2	RUNTIME ERROR	0.37 s	details
#3	RUNTIME ERROR	0.37 s	details
#4	RUNTIME ERROR	0.37 s	details
#5	RUNTIME ERROR	0.37 s	details
#6	RUNTIME ERROR	0.37 s	details
#7	RUNTIME ERROR	0.37 s	details
#8	RUNTIME ERROR	0.37 s	details
#9	RUNTIME ERROR	0.37 s	details
#10	RUNTIME ERROR	0.37 s	details
#11	RUNTIME ERROR	0.37 s	details
#12	RUNTIME ERROR	0.37 s	details
#13	RUNTIME ERROR	0.37 s	details
#14	RUNTIME ERROR	0.37 s	details
#15	RUNTIME ERROR	0.37 s	details
#16	RUNTIME ERROR	0.37 s	details
#17	RUNTIME ERROR	0.37 s	details
#18	RUNTIME ERROR	0.37 s	details
#19	RUNTIME ERROR	0.37 s	details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:31:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |   freopen("apartments.txt", "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Code

#define F first
#define S second
#define PB push_back
#define MP make_pair
#define REP(i, a, b) for (int i = a; i < b; ++i)
#define BR "\n"

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> pi;

void dfs(int s, vi adj[], bool vis[]) {
  if (vis[s]) return;
  vis[s] = true;
  // process s
  for (auto u : adj[s]) {
    dfs(u, adj, vis);
  }
}

int main() {
  // uncomment if io is a bottleneck
  // ios::sync_with_stdio(0);
  // cin.tie(0);

  // uncomment to read cin from a file
  freopen("apartments.txt", "r", stdin);

  int n, m, k;
  cin >> n >> m >> k;

  int desires[n] = {};
  REP(i, 0, n) { cin >> desires[i]; }
  sort(desires, desires + n);

  int apartments[m] = {};
  REP(i, 0, m) { cin >> apartments[i]; }
  sort(apartments, apartments + m);

  int i = 0, j = 0;
  int res = 0;
  while (i < n && j < m) {
    bool too_small = apartments[j] < desires[i] - k;
    bool too_big = apartments[j] > desires[i] + k;
    if (!too_small && !too_big) {
      i++;
      j++;
      res++;
    } else if (too_small) {
      j++;
    } else {
      i++;
    }
  }

  cout << res << BR;

  return EXIT_SUCCESS;
}

Test details

Test 1

Verdict: RUNTIME ERROR

input
`10 10 0 37 62 56 69 34 46 10 86 16 49 50 95 47 43 9 62 83 71 71 7` view save

correct output
`1` view save

user output
(empty)

Test 2

Verdict: RUNTIME ERROR

input
`10 10 10 90 41 20 39 49 21 35 31 74 86 14 24 24 7 82 85 82 4 60 95` view save

correct output
`6` view save

user output
(empty)

Test 3

Verdict: RUNTIME ERROR

input
`10 10 1000 59 5 65 15 42 81 58 96 50 1 18 59 71 65 97 83 80 68 92 67` view save

correct output
`10` view save

user output
(empty)

Test 4

Verdict: RUNTIME ERROR

input
`10 10 1000000000 25 80 59 43 67 21 77 5 8 99 66 41 62 24 88 55 1 53 50 60` view save

correct output
`10` view save

user output
(empty)

Test 5

Verdict: RUNTIME ERROR

input
`200000 200000 0 34 48 12 99 89 71 20 7 9 38 58...` view save

correct output
`197286` view save

user output
(empty)

Test 6

Verdict: RUNTIME ERROR

input
`200000 200000 10 89 26 46 74 91 19 47 18 83 85 ...` view save

correct output
`200000` view save

user output
(empty)

Test 7

Verdict: RUNTIME ERROR

input
`200000 200000 1000 71 84 11 90 70 59 60 11 52 65 ...` view save

correct output
`200000` view save

user output
(empty)

Test 8

Verdict: RUNTIME ERROR

input
`200000 200000 1000000000 21 94 92 4 12 5 38 47 59 92 2 ...` view save

correct output
`200000` view save

user output
(empty)

Test 9

Verdict: RUNTIME ERROR

input
`10 10 0 727245017 647121519 549745115 ...` view save

correct output
`0` view save

user output
(empty)

Test 10

Verdict: RUNTIME ERROR

input
`10 10 10 30734435 218114477 257355293 4...` view save

correct output
`0` view save

user output
(empty)

Test 11

Verdict: RUNTIME ERROR

input
`10 10 1000 7899629 162004163 327616450 51...` view save

correct output
`0` view save

user output
(empty)

Test 12

Verdict: RUNTIME ERROR

input
`10 10 1000000000 725746771 537157640 742868604 ...` view save

correct output
`10` view save

user output
(empty)

Test 13

Verdict: RUNTIME ERROR

input
`200000 200000 0 375495587 322263536 985991668 ...` view save

correct output
`42` view save

user output
(empty)

Test 14

Verdict: RUNTIME ERROR

input
`200000 200000 10 906603621 968136956 666786366 ...` view save

correct output
`846` view save

user output
(empty)

Test 15

Verdict: RUNTIME ERROR

input
`200000 200000 1000 215460174 880023362 242442952 ...` view save

correct output
`57149` view save

user output
(empty)

Test 16

Verdict: RUNTIME ERROR

input
`200000 200000 1000000000 50349580 773460492 440699400 8...` view save

correct output
`200000` view save

user output
(empty)

Test 17

Verdict: RUNTIME ERROR

input
`199999 1 1 199996 199997 149999 117797 19...` view save

correct output
`1` view save

user output
(empty)

Test 18

Verdict: RUNTIME ERROR

input
`5 2 2 2 2 2 40 50 40 50` view save

correct output
`2` view save

user output
(empty)

Test 19

Verdict: RUNTIME ERROR

input
`4 3 5 60 45 80 60 30 60 75` view save

correct output
`2` view save

user output
(empty)

Aalto Competitive Programming 2025 - wk2 - Homework

Apartments

Compiler report

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Tasks

Submissions (rikachu)