CSES - Aalto Competitive Programming 2024 - wk2 - Homework

CSES - Aalto Competitive Programming 2024 - wk2 - Homework - Results

Submission details
Task:	Apartments
Sender:	minghao
Submission time:	2024-09-08 23:45:05 +0300
Language:	C++ (C++11)
Status:	READY
Result:	ACCEPTED

Test results
test	verdict	time
#1	ACCEPTED	0.00 s	details
#2	ACCEPTED	0.00 s	details
#3	ACCEPTED	0.00 s	details
#4	ACCEPTED	0.00 s	details
#5	ACCEPTED	0.06 s	details
#6	ACCEPTED	0.06 s	details
#7	ACCEPTED	0.06 s	details
#8	ACCEPTED	0.06 s	details
#9	ACCEPTED	0.00 s	details
#10	ACCEPTED	0.00 s	details
#11	ACCEPTED	0.00 s	details
#12	ACCEPTED	0.00 s	details
#13	ACCEPTED	0.10 s	details
#14	ACCEPTED	0.10 s	details
#15	ACCEPTED	0.10 s	details
#16	ACCEPTED	0.10 s	details
#17	ACCEPTED	0.04 s	details
#18	ACCEPTED	0.00 s	details
#19	ACCEPTED	0.00 s	details

Compiler report

input/code.cpp: In function 'void Test()':
input/code.cpp:23:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |     freopen("temp\\in.txt", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
input/code.cpp: In function 'int main()':
input/code.cpp:28:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |     scanf("%d%d%d", &n, &m, &k);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
input/code.cpp:30:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |         scanf("%d", &a[i]);
      |         ~~~~~^~~~~~~~~~~~~
input/code.cpp:32:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |         scanf("%d", &b[i]);
      |...

Code

#include<iostream>
#include<cstdio>
#include<algorithm>
typedef long long LL;

const int N=200005;
int n, m, k;
int a[N], b[N];

inline int Compare(const int& cur_human, const int& cur_house)
{
    if(cur_human > n)
        return -1;
    if(b[cur_house] < a[cur_human]-k)
        return -1;
    if(b[cur_house] > a[cur_human]+k)
        return 1;
    return 0;
}

void Test()
{
    freopen("temp\\in.txt", "r", stdin);
}
int main()
{
    // Test();
    scanf("%d%d%d", &n, &m, &k);
    for(int i=1; i<=n; i++)
        scanf("%d", &a[i]);
    for(int i=1; i<=m; i++)
        scanf("%d", &b[i]);

    std::sort(a+1, a+n+1);
    std::sort(b+1, b+m+1);

    int ans = 0, cur = 1; // cursor of human
    for(int i=1; i<=m; i++)
    {
        // Scan the apartments
        while(Compare(cur, i) == 1)
            cur++;
        if(Compare(cur, i) == 0)
            ans++, cur++;
    }

    printf("%d", ans);
    return 0;
}

Test details

Test 1

Verdict: ACCEPTED

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
`1` view save

Test 2

Verdict: ACCEPTED

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
`6` view save

Test 3

Verdict: ACCEPTED

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
`10` view save

Test 4

Verdict: ACCEPTED

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
`10` view save

Test 5

Verdict: ACCEPTED

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

correct output
`197286` view save

user output
`197286` view save

Test 6

Verdict: ACCEPTED

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

correct output
`200000` view save

user output
`200000` view save

Test 7

Verdict: ACCEPTED

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

correct output
`200000` view save

user output
`200000` view save

Test 8

Verdict: ACCEPTED

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

correct output
`200000` view save

user output
`200000` view save

Test 9

Verdict: ACCEPTED

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

correct output
`0` view save

user output
`0` view save

Test 10

Verdict: ACCEPTED

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

correct output
`0` view save

user output
`0` view save

Test 11

Verdict: ACCEPTED

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

correct output
`0` view save

user output
`0` view save

Test 12

Verdict: ACCEPTED

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

correct output
`10` view save

user output
`10` view save

Test 13

Verdict: ACCEPTED

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

correct output
`42` view save

user output
`42` view save

Test 14

Verdict: ACCEPTED

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

correct output
`846` view save

user output
`846` view save

Test 15

Verdict: ACCEPTED

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

correct output
`57149` view save

user output
`57149` view save

Test 16

Verdict: ACCEPTED

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

correct output
`200000` view save

user output
`200000` view save

Test 17

Verdict: ACCEPTED

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

correct output
`1` view save

user output
`1` view save

Test 18

Verdict: ACCEPTED

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

correct output
`2` view save

user output
`2` view save

Test 19

Verdict: ACCEPTED

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

correct output
`2` view save

user output
`2` view save

Aalto Competitive Programming 2024 - 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 (minghao)