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Submission #1003051

# Submission time Handle Problem Language Result Execution time Memory
1003051 2024-06-20T04:13:08 Z daffuwu Martian DNA (BOI18_dna) C++14
100 / 100
 26 ms 3932 KB 
#include <bits/stdc++.h>
using namespace std;
#define fr first
#define sc second
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

int n, k, r, b, q, cnt[200069], d[200069], cvio, ans = 1e9;

void chg(int x, int y)
{
    int prev = cnt[x];
    cnt[x] += y;
    if (prev == -1 && cnt[x] == 0) cvio--;
    else if (prev == 0 && cnt[x] == -1) cvio++;   
}

int main() 
{
    int i, j;
    scanf("%d%d%d", &n, &k, &r);
    for (i=1; i<=n; i++) scanf("%d", d+i);
    for (i=1; i<=r; i++)
    {
        scanf("%d%d", &b, &q);
        cnt[b] = -q;
        cvio++;
    }
    for (i=1, j=1; i<=n; i++)
    {
        chg(d[i], 1);
        for (; j<i && cvio == 0; chg(d[j++], -1));
        for (;j>1 && cvio>0; chg(d[--j], 1));
        if (cvio == 0) ans = min(ans, i-j+1);
    }
    if (ans == 1e9) printf("impossible\n");
    else printf("%d\n", ans);  
}

Compilation message

dna.cpp: In function 'int main()':
dna.cpp:20:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |     scanf("%d%d%d", &n, &k, &r);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
dna.cpp:21:31: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |     for (i=1; i<=n; i++) scanf("%d", d+i);
      |                          ~~~~~^~~~~~~~~~~
dna.cpp:24:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |         scanf("%d%d", &b, &q);
      |         ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 396 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 452 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 0 ms 448 KB Output is correct
15 Correct 0 ms 348 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 1368 KB Output is correct
2 Correct 12 ms 1616 KB Output is correct
3 Correct 13 ms 1592 KB Output is correct
4 Correct 11 ms 1632 KB Output is correct
5 Correct 14 ms 2644 KB Output is correct
6 Correct 10 ms 1368 KB Output is correct
7 Correct 10 ms 1628 KB Output is correct
8 Correct 15 ms 3160 KB Output is correct
9 Correct 13 ms 2136 KB Output is correct
10 Correct 11 ms 1372 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 360 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 444 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 432 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 444 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 344 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 3128 KB Output is correct
2 Correct 20 ms 2900 KB Output is correct
3 Correct 17 ms 2716 KB Output is correct
4 Correct 11 ms 1616 KB Output is correct
5 Correct 22 ms 3676 KB Output is correct
6 Correct 26 ms 3932 KB Output is correct
7 Correct 15 ms 2140 KB Output is correct
8 Correct 16 ms 2396 KB Output is correct
9 Correct 14 ms 1372 KB Output is correct
10 Correct 12 ms 1368 KB Output is correct
11 Correct 13 ms 1628 KB Output is correct
12 Correct 12 ms 1628 KB Output is correct
13 Correct 14 ms 2652 KB Output is correct
14 Correct 14 ms 1368 KB Output is correct
15 Correct 10 ms 1656 KB Output is correct
16 Correct 15 ms 3164 KB Output is correct
17 Correct 13 ms 2140 KB Output is correct
18 Correct 11 ms 1372 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct