oj.uz

Submission #292131

# Submission time Handle Problem Language Result Execution time Memory
292131 2020-09-06T12:21:01 Z anonymous Rope (JOI17_rope) C++14
80 / 100
 2500 ms 148888 KB 
#include <iostream>
#include <vector>
#define MAXN 1000005
using namespace std;
int N, M, C[MAXN], Val[MAXN][2], Ans[MAXN];
vector <int> Pairs[MAXN][2];
 
class segtree {
    int ST[MAXN * 4];
public:
    void upd(int ind, int val, int l, int r, int cur) {
        if (ind < l || ind > r) {return;}
        if (l == r) {
            ST[cur] += val;
        } else {
            int mid = (l + r) >> 1;
            upd(ind, val, l, mid, 2*cur);
            upd(ind, val, mid+1, r, 2*cur+1);
            ST[cur] = max(ST[2*cur], ST[2*cur+1]);
        }
    }
    int get() {return(ST[1]);}
} ST1, ST2;
 
int main() {
    //freopen("ropein.txt","r",stdin);
    scanf("%d %d",&N,&M);
    for (int i=1; i<=M; i++) {
        Ans[i] = N;
    }
    for (int i=1; i<=N; i++) {
        scanf("%d",&C[i]);
        Ans[C[i]] -= 1;
    }
 
    for (int i=1; i<N; i+=2) {
        Pairs[C[i]][0].push_back(C[i+1]);
        Pairs[C[i+1]][0].push_back(C[i]);
        Val[C[i]][0]++, Val[C[i+1]][0]++;
    }
 
    for (int i=2; i<N; i+=2) {
        Pairs[C[i]][1].push_back(C[i+1]);
        Pairs[C[i+1]][1].push_back(C[i]);
        Val[C[i]][1]++, Val[C[i+1]][1]++;
    }
 
    if (N%2) {
        Val[C[N]][0]++, Val[C[1]][1]++;
    } else {
        Val[C[1]][1]++, Val[C[N]][1]++;
    }
 
    for (int i=1; i<=M; i++) {
        ST1.upd(i, Val[i][0], 1, M, 1);
        ST2.upd(i, Val[i][1], 1, M, 1);
        //printf("%d %d %d\n",i,Val[i][0], Val[i][1]);
    }
 
 
    for (int i=1; i<=M; i++) {
        //solve case 1
        for (int v: Pairs[i][0]) {
            ST1.upd(v, -1, 1, M, 1);
        }
        ST1.upd(i, -1<<20, 1, M, 1);
        Ans[i] = min(Ans[i], N - ST1.get() - Val[i][0]);
        for (int v: Pairs[i][0]) {
            ST1.upd(v, 1, 1, M, 1);
        }
        ST1.upd(i, 1<<20, 1, M, 1);
        //solve case 2:
        for (int v: Pairs[i][1]) {
            ST2.upd(v, -1, 1, M, 1);
        }
        ST2.upd(i, -1<<20, 1, M, 1);
        Ans[i] = min(Ans[i], N - ST2.get() - Val[i][1]);
        for (int v: Pairs[i][1]) {
            ST2.upd(v, 1, 1, M, 1);
        }
        ST2.upd(i, 1<<20, 1, M, 1);
    }
 
    for (int i=1; i<=M; i++) {
        printf("%d\n",Ans[i]);
    }
}

Compilation message

rope.cpp: In function 'int main()':
rope.cpp:27:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   27 |     scanf("%d %d",&N,&M);
      |     ~~~~~^~~~~~~~~~~~~~~
rope.cpp:32:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   32 |         scanf("%d",&C[i]);
      |         ~~~~~^~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 47360 KB Output is correct
2 Correct 30 ms 47352 KB Output is correct
3 Correct 30 ms 47352 KB Output is correct
4 Correct 30 ms 47352 KB Output is correct
5 Correct 30 ms 47352 KB Output is correct
6 Correct 35 ms 47352 KB Output is correct
7 Correct 29 ms 47360 KB Output is correct
8 Correct 31 ms 47360 KB Output is correct
9 Correct 30 ms 47360 KB Output is correct
10 Correct 30 ms 47328 KB Output is correct
11 Correct 29 ms 47360 KB Output is correct
12 Correct 31 ms 47480 KB Output is correct
13 Correct 30 ms 47352 KB Output is correct
14 Correct 30 ms 47352 KB Output is correct
15 Correct 31 ms 47360 KB Output is correct
16 Correct 30 ms 47360 KB Output is correct
17 Correct 32 ms 47360 KB Output is correct
18 Correct 31 ms 47380 KB Output is correct
19 Correct 30 ms 47352 KB Output is correct
20 Correct 43 ms 47368 KB Output is correct
21 Correct 31 ms 47356 KB Output is correct
22 Correct 30 ms 47360 KB Output is correct
23 Correct 29 ms 47352 KB Output is correct
24 Correct 32 ms 47352 KB Output is correct
25 Correct 30 ms 47352 KB Output is correct
26 Correct 30 ms 47356 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 47360 KB Output is correct
2 Correct 30 ms 47352 KB Output is correct
3 Correct 30 ms 47352 KB Output is correct
4 Correct 30 ms 47352 KB Output is correct
5 Correct 30 ms 47352 KB Output is correct
6 Correct 35 ms 47352 KB Output is correct
7 Correct 29 ms 47360 KB Output is correct
8 Correct 31 ms 47360 KB Output is correct
9 Correct 30 ms 47360 KB Output is correct
10 Correct 30 ms 47328 KB Output is correct
11 Correct 29 ms 47360 KB Output is correct
12 Correct 31 ms 47480 KB Output is correct
13 Correct 30 ms 47352 KB Output is correct
14 Correct 30 ms 47352 KB Output is correct
15 Correct 31 ms 47360 KB Output is correct
16 Correct 30 ms 47360 KB Output is correct
17 Correct 32 ms 47360 KB Output is correct
18 Correct 31 ms 47380 KB Output is correct
19 Correct 30 ms 47352 KB Output is correct
20 Correct 43 ms 47368 KB Output is correct
21 Correct 31 ms 47356 KB Output is correct
22 Correct 30 ms 47360 KB Output is correct
23 Correct 29 ms 47352 KB Output is correct
24 Correct 32 ms 47352 KB Output is correct
25 Correct 30 ms 47352 KB Output is correct
26 Correct 30 ms 47356 KB Output is correct
27 Correct 56 ms 49060 KB Output is correct
28 Correct 53 ms 48888 KB Output is correct
29 Correct 57 ms 49144 KB Output is correct
30 Correct 51 ms 48980 KB Output is correct
31 Correct 67 ms 49144 KB Output is correct
32 Correct 49 ms 48956 KB Output is correct
33 Correct 62 ms 49016 KB Output is correct
34 Correct 52 ms 49144 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 47360 KB Output is correct
2 Correct 30 ms 47352 KB Output is correct
3 Correct 30 ms 47352 KB Output is correct
4 Correct 30 ms 47352 KB Output is correct
5 Correct 30 ms 47352 KB Output is correct
6 Correct 35 ms 47352 KB Output is correct
7 Correct 29 ms 47360 KB Output is correct
8 Correct 31 ms 47360 KB Output is correct
9 Correct 30 ms 47360 KB Output is correct
10 Correct 30 ms 47328 KB Output is correct
11 Correct 29 ms 47360 KB Output is correct
12 Correct 31 ms 47480 KB Output is correct
13 Correct 30 ms 47352 KB Output is correct
14 Correct 30 ms 47352 KB Output is correct
15 Correct 31 ms 47360 KB Output is correct
16 Correct 30 ms 47360 KB Output is correct
17 Correct 32 ms 47360 KB Output is correct
18 Correct 31 ms 47380 KB Output is correct
19 Correct 30 ms 47352 KB Output is correct
20 Correct 43 ms 47368 KB Output is correct
21 Correct 31 ms 47356 KB Output is correct
22 Correct 30 ms 47360 KB Output is correct
23 Correct 29 ms 47352 KB Output is correct
24 Correct 32 ms 47352 KB Output is correct
25 Correct 30 ms 47352 KB Output is correct
26 Correct 30 ms 47356 KB Output is correct
27 Correct 56 ms 49060 KB Output is correct
28 Correct 53 ms 48888 KB Output is correct
29 Correct 57 ms 49144 KB Output is correct
30 Correct 51 ms 48980 KB Output is correct
31 Correct 67 ms 49144 KB Output is correct
32 Correct 49 ms 48956 KB Output is correct
33 Correct 62 ms 49016 KB Output is correct
34 Correct 52 ms 49144 KB Output is correct
35 Correct 81 ms 49148 KB Output is correct
36 Correct 80 ms 49144 KB Output is correct
37 Correct 80 ms 49144 KB Output is correct
38 Correct 93 ms 49144 KB Output is correct
39 Correct 82 ms 49144 KB Output is correct
40 Correct 72 ms 49400 KB Output is correct
41 Correct 73 ms 49400 KB Output is correct
42 Correct 69 ms 49528 KB Output is correct
43 Correct 70 ms 49400 KB Output is correct
44 Correct 75 ms 49400 KB Output is correct
45 Correct 72 ms 49528 KB Output is correct
46 Correct 70 ms 49272 KB Output is correct
47 Correct 70 ms 49400 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 47360 KB Output is correct
2 Correct 30 ms 47352 KB Output is correct
3 Correct 30 ms 47352 KB Output is correct
4 Correct 30 ms 47352 KB Output is correct
5 Correct 30 ms 47352 KB Output is correct
6 Correct 35 ms 47352 KB Output is correct
7 Correct 29 ms 47360 KB Output is correct
8 Correct 31 ms 47360 KB Output is correct
9 Correct 30 ms 47360 KB Output is correct
10 Correct 30 ms 47328 KB Output is correct
11 Correct 29 ms 47360 KB Output is correct
12 Correct 31 ms 47480 KB Output is correct
13 Correct 30 ms 47352 KB Output is correct
14 Correct 30 ms 47352 KB Output is correct
15 Correct 31 ms 47360 KB Output is correct
16 Correct 30 ms 47360 KB Output is correct
17 Correct 32 ms 47360 KB Output is correct
18 Correct 31 ms 47380 KB Output is correct
19 Correct 30 ms 47352 KB Output is correct
20 Correct 43 ms 47368 KB Output is correct
21 Correct 31 ms 47356 KB Output is correct
22 Correct 30 ms 47360 KB Output is correct
23 Correct 29 ms 47352 KB Output is correct
24 Correct 32 ms 47352 KB Output is correct
25 Correct 30 ms 47352 KB Output is correct
26 Correct 30 ms 47356 KB Output is correct
27 Correct 56 ms 49060 KB Output is correct
28 Correct 53 ms 48888 KB Output is correct
29 Correct 57 ms 49144 KB Output is correct
30 Correct 51 ms 48980 KB Output is correct
31 Correct 67 ms 49144 KB Output is correct
32 Correct 49 ms 48956 KB Output is correct
33 Correct 62 ms 49016 KB Output is correct
34 Correct 52 ms 49144 KB Output is correct
35 Correct 81 ms 49148 KB Output is correct
36 Correct 80 ms 49144 KB Output is correct
37 Correct 80 ms 49144 KB Output is correct
38 Correct 93 ms 49144 KB Output is correct
39 Correct 82 ms 49144 KB Output is correct
40 Correct 72 ms 49400 KB Output is correct
41 Correct 73 ms 49400 KB Output is correct
42 Correct 69 ms 49528 KB Output is correct
43 Correct 70 ms 49400 KB Output is correct
44 Correct 75 ms 49400 KB Output is correct
45 Correct 72 ms 49528 KB Output is correct
46 Correct 70 ms 49272 KB Output is correct
47 Correct 70 ms 49400 KB Output is correct
48 Correct 677 ms 69112 KB Output is correct
49 Correct 678 ms 68984 KB Output is correct
50 Correct 677 ms 68984 KB Output is correct
51 Correct 614 ms 68728 KB Output is correct
52 Correct 576 ms 66004 KB Output is correct
53 Correct 602 ms 67576 KB Output is correct
54 Correct 577 ms 65528 KB Output is correct
55 Correct 580 ms 65144 KB Output is correct
56 Correct 578 ms 64504 KB Output is correct

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 47360 KB Output is correct
2 Correct 30 ms 47352 KB Output is correct
3 Correct 30 ms 47352 KB Output is correct
4 Correct 30 ms 47352 KB Output is correct
5 Correct 30 ms 47352 KB Output is correct
6 Correct 35 ms 47352 KB Output is correct
7 Correct 29 ms 47360 KB Output is correct
8 Correct 31 ms 47360 KB Output is correct
9 Correct 30 ms 47360 KB Output is correct
10 Correct 30 ms 47328 KB Output is correct
11 Correct 29 ms 47360 KB Output is correct
12 Correct 31 ms 47480 KB Output is correct
13 Correct 30 ms 47352 KB Output is correct
14 Correct 30 ms 47352 KB Output is correct
15 Correct 31 ms 47360 KB Output is correct
16 Correct 30 ms 47360 KB Output is correct
17 Correct 32 ms 47360 KB Output is correct
18 Correct 31 ms 47380 KB Output is correct
19 Correct 30 ms 47352 KB Output is correct
20 Correct 43 ms 47368 KB Output is correct
21 Correct 31 ms 47356 KB Output is correct
22 Correct 30 ms 47360 KB Output is correct
23 Correct 29 ms 47352 KB Output is correct
24 Correct 32 ms 47352 KB Output is correct
25 Correct 30 ms 47352 KB Output is correct
26 Correct 30 ms 47356 KB Output is correct
27 Correct 56 ms 49060 KB Output is correct
28 Correct 53 ms 48888 KB Output is correct
29 Correct 57 ms 49144 KB Output is correct
30 Correct 51 ms 48980 KB Output is correct
31 Correct 67 ms 49144 KB Output is correct
32 Correct 49 ms 48956 KB Output is correct
33 Correct 62 ms 49016 KB Output is correct
34 Correct 52 ms 49144 KB Output is correct
35 Correct 81 ms 49148 KB Output is correct
36 Correct 80 ms 49144 KB Output is correct
37 Correct 80 ms 49144 KB Output is correct
38 Correct 93 ms 49144 KB Output is correct
39 Correct 82 ms 49144 KB Output is correct
40 Correct 72 ms 49400 KB Output is correct
41 Correct 73 ms 49400 KB Output is correct
42 Correct 69 ms 49528 KB Output is correct
43 Correct 70 ms 49400 KB Output is correct
44 Correct 75 ms 49400 KB Output is correct
45 Correct 72 ms 49528 KB Output is correct
46 Correct 70 ms 49272 KB Output is correct
47 Correct 70 ms 49400 KB Output is correct
48 Correct 677 ms 69112 KB Output is correct
49 Correct 678 ms 68984 KB Output is correct
50 Correct 677 ms 68984 KB Output is correct
51 Correct 614 ms 68728 KB Output is correct
52 Correct 576 ms 66004 KB Output is correct
53 Correct 602 ms 67576 KB Output is correct
54 Correct 577 ms 65528 KB Output is correct
55 Correct 580 ms 65144 KB Output is correct
56 Correct 578 ms 64504 KB Output is correct
57 Execution timed out 2548 ms 148888 KB Time limit exceeded
58 Halted 0 ms 0 KB -