oj.uz

Submission #398763

# Submission time Handle Problem Language Result Execution time Memory
398763 2021-05-04T19:34:17 Z duality Rope (JOI17_rope) C++11
80 / 100
 2500 ms 77836 KB 
#define DEBUG 0

#include <bits/stdc++.h>
using namespace std;

#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}

// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
    public:
        template<typename T>
        _Debug& operator,(T val) {
            cout << val << endl;
            return *this;
        }
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif

// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back

// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;

// ---------- END OF TEMPLATE ----------
#pragma GCC optimize("Ofast")

int C[1000000];
int ans[1000000],occ[1000000];
vi adj[1000000];
int tree[1 << 21];
int build(int s,int e,int i) {
    if (s == e) {
        tree[i] = occ[s];
        return 0;
    }

    int mid = (s+e) / 2;
    build(s,mid,2*i+1),build(mid+1,e,2*i+2);
    tree[i] = max(tree[2*i+1],tree[2*i+2]);
    return 0;
}
int update(int s,int e,int ai,int i,int num) {
    if ((s > ai) || (e < ai)) return 0;
    else if (s == e) {
        tree[i] += num;
        return 0;
    }

    int mid = (s+e) / 2;
    update(s,mid,ai,2*i+1,num),update(mid+1,e,ai,2*i+2,num);
    tree[i] = max(tree[2*i+1],tree[2*i+2]);
    return 0;
}
int main() {
    int i;
    int N,M;
    scanf("%d %d",&N,&M);
    for (i = 0; i < N; i++) scanf("%d",&C[i]),C[i]--;
    if (M == 1) {
        printf("0\n");
        return 0;
    }

    int j,t;
    for (i = 0; i < M; i++) ans[i] = N;
    for (i = 0; i < N; i++) occ[C[i]]++;
    build(0,M-1,0);
    for (t = 0; t < 2; t++) {
        for (i = t; i+1 < N; i += 2) {
            adj[C[i]].pb(C[i+1]);
            adj[C[i+1]].pb(C[i]);
        }
        for (i = 0; i < M; i++) {
            for (j = 0; j < adj[i].size(); j++) update(0,M-1,adj[i][j],0,-1);
            update(0,M-1,i,0,-1e9);
            ans[i] = min(ans[i],N-occ[i]-tree[0]);
            for (j = 0; j < adj[i].size(); j++) update(0,M-1,adj[i][j],0,1);
            update(0,M-1,i,0,1e9);
            adj[i].clear();
        }
    }
    for (i = 0; i < M; i++) printf("%d\n",ans[i]);

    return 0;
}

Compilation message

rope.cpp: In function 'int main()':
rope.cpp:106:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  106 |             for (j = 0; j < adj[i].size(); j++) update(0,M-1,adj[i][j],0,-1);
      |                         ~~^~~~~~~~~~~~~~~
rope.cpp:109:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  109 |             for (j = 0; j < adj[i].size(); j++) update(0,M-1,adj[i][j],0,1);
      |                         ~~^~~~~~~~~~~~~~~
rope.cpp:89:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   89 |     scanf("%d %d",&N,&M);
      |     ~~~~~^~~~~~~~~~~~~~~
rope.cpp:90:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   90 |     for (i = 0; i < N; i++) scanf("%d",&C[i]),C[i]--;
      |                             ~~~~~^~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 23756 KB Output is correct
2 Correct 14 ms 23804 KB Output is correct
3 Correct 13 ms 23760 KB Output is correct
4 Correct 13 ms 23756 KB Output is correct
5 Correct 14 ms 23756 KB Output is correct
6 Correct 13 ms 23804 KB Output is correct
7 Correct 13 ms 23756 KB Output is correct
8 Correct 13 ms 23756 KB Output is correct
9 Correct 13 ms 23756 KB Output is correct
10 Correct 13 ms 23756 KB Output is correct
11 Correct 13 ms 23712 KB Output is correct
12 Correct 13 ms 23692 KB Output is correct
13 Correct 13 ms 23756 KB Output is correct
14 Correct 13 ms 23756 KB Output is correct
15 Correct 13 ms 23716 KB Output is correct
16 Correct 21 ms 23780 KB Output is correct
17 Correct 13 ms 23756 KB Output is correct
18 Correct 13 ms 23756 KB Output is correct
19 Correct 13 ms 23756 KB Output is correct
20 Correct 13 ms 23756 KB Output is correct
21 Correct 14 ms 23756 KB Output is correct
22 Correct 13 ms 23756 KB Output is correct
23 Correct 14 ms 23812 KB Output is correct
24 Correct 13 ms 23756 KB Output is correct
25 Correct 13 ms 23884 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 23756 KB Output is correct
2 Correct 14 ms 23804 KB Output is correct
3 Correct 13 ms 23760 KB Output is correct
4 Correct 13 ms 23756 KB Output is correct
5 Correct 14 ms 23756 KB Output is correct
6 Correct 13 ms 23804 KB Output is correct
7 Correct 13 ms 23756 KB Output is correct
8 Correct 13 ms 23756 KB Output is correct
9 Correct 13 ms 23756 KB Output is correct
10 Correct 13 ms 23756 KB Output is correct
11 Correct 13 ms 23712 KB Output is correct
12 Correct 13 ms 23692 KB Output is correct
13 Correct 13 ms 23756 KB Output is correct
14 Correct 13 ms 23756 KB Output is correct
15 Correct 13 ms 23716 KB Output is correct
16 Correct 21 ms 23780 KB Output is correct
17 Correct 13 ms 23756 KB Output is correct
18 Correct 13 ms 23756 KB Output is correct
19 Correct 13 ms 23756 KB Output is correct
20 Correct 13 ms 23756 KB Output is correct
21 Correct 14 ms 23756 KB Output is correct
22 Correct 13 ms 23756 KB Output is correct
23 Correct 14 ms 23812 KB Output is correct
24 Correct 13 ms 23756 KB Output is correct
25 Correct 13 ms 23884 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 41 ms 24768 KB Output is correct
28 Correct 30 ms 24720 KB Output is correct
29 Correct 33 ms 24824 KB Output is correct
30 Correct 36 ms 24856 KB Output is correct
31 Correct 33 ms 24704 KB Output is correct
32 Correct 30 ms 24740 KB Output is correct
33 Correct 33 ms 24704 KB Output is correct
34 Correct 31 ms 24840 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 23756 KB Output is correct
2 Correct 14 ms 23804 KB Output is correct
3 Correct 13 ms 23760 KB Output is correct
4 Correct 13 ms 23756 KB Output is correct
5 Correct 14 ms 23756 KB Output is correct
6 Correct 13 ms 23804 KB Output is correct
7 Correct 13 ms 23756 KB Output is correct
8 Correct 13 ms 23756 KB Output is correct
9 Correct 13 ms 23756 KB Output is correct
10 Correct 13 ms 23756 KB Output is correct
11 Correct 13 ms 23712 KB Output is correct
12 Correct 13 ms 23692 KB Output is correct
13 Correct 13 ms 23756 KB Output is correct
14 Correct 13 ms 23756 KB Output is correct
15 Correct 13 ms 23716 KB Output is correct
16 Correct 21 ms 23780 KB Output is correct
17 Correct 13 ms 23756 KB Output is correct
18 Correct 13 ms 23756 KB Output is correct
19 Correct 13 ms 23756 KB Output is correct
20 Correct 13 ms 23756 KB Output is correct
21 Correct 14 ms 23756 KB Output is correct
22 Correct 13 ms 23756 KB Output is correct
23 Correct 14 ms 23812 KB Output is correct
24 Correct 13 ms 23756 KB Output is correct
25 Correct 13 ms 23884 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 41 ms 24768 KB Output is correct
28 Correct 30 ms 24720 KB Output is correct
29 Correct 33 ms 24824 KB Output is correct
30 Correct 36 ms 24856 KB Output is correct
31 Correct 33 ms 24704 KB Output is correct
32 Correct 30 ms 24740 KB Output is correct
33 Correct 33 ms 24704 KB Output is correct
34 Correct 31 ms 24840 KB Output is correct
35 Correct 59 ms 24780 KB Output is correct
36 Correct 59 ms 24768 KB Output is correct
37 Correct 60 ms 24688 KB Output is correct
38 Correct 59 ms 24780 KB Output is correct
39 Correct 62 ms 24900 KB Output is correct
40 Correct 51 ms 24816 KB Output is correct
41 Correct 62 ms 24748 KB Output is correct
42 Correct 47 ms 24780 KB Output is correct
43 Correct 47 ms 24780 KB Output is correct
44 Correct 51 ms 24840 KB Output is correct
45 Correct 51 ms 24852 KB Output is correct
46 Correct 52 ms 24924 KB Output is correct
47 Correct 50 ms 24772 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 23756 KB Output is correct
2 Correct 14 ms 23804 KB Output is correct
3 Correct 13 ms 23760 KB Output is correct
4 Correct 13 ms 23756 KB Output is correct
5 Correct 14 ms 23756 KB Output is correct
6 Correct 13 ms 23804 KB Output is correct
7 Correct 13 ms 23756 KB Output is correct
8 Correct 13 ms 23756 KB Output is correct
9 Correct 13 ms 23756 KB Output is correct
10 Correct 13 ms 23756 KB Output is correct
11 Correct 13 ms 23712 KB Output is correct
12 Correct 13 ms 23692 KB Output is correct
13 Correct 13 ms 23756 KB Output is correct
14 Correct 13 ms 23756 KB Output is correct
15 Correct 13 ms 23716 KB Output is correct
16 Correct 21 ms 23780 KB Output is correct
17 Correct 13 ms 23756 KB Output is correct
18 Correct 13 ms 23756 KB Output is correct
19 Correct 13 ms 23756 KB Output is correct
20 Correct 13 ms 23756 KB Output is correct
21 Correct 14 ms 23756 KB Output is correct
22 Correct 13 ms 23756 KB Output is correct
23 Correct 14 ms 23812 KB Output is correct
24 Correct 13 ms 23756 KB Output is correct
25 Correct 13 ms 23884 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 41 ms 24768 KB Output is correct
28 Correct 30 ms 24720 KB Output is correct
29 Correct 33 ms 24824 KB Output is correct
30 Correct 36 ms 24856 KB Output is correct
31 Correct 33 ms 24704 KB Output is correct
32 Correct 30 ms 24740 KB Output is correct
33 Correct 33 ms 24704 KB Output is correct
34 Correct 31 ms 24840 KB Output is correct
35 Correct 59 ms 24780 KB Output is correct
36 Correct 59 ms 24768 KB Output is correct
37 Correct 60 ms 24688 KB Output is correct
38 Correct 59 ms 24780 KB Output is correct
39 Correct 62 ms 24900 KB Output is correct
40 Correct 51 ms 24816 KB Output is correct
41 Correct 62 ms 24748 KB Output is correct
42 Correct 47 ms 24780 KB Output is correct
43 Correct 47 ms 24780 KB Output is correct
44 Correct 51 ms 24840 KB Output is correct
45 Correct 51 ms 24852 KB Output is correct
46 Correct 52 ms 24924 KB Output is correct
47 Correct 50 ms 24772 KB Output is correct
48 Correct 612 ms 34580 KB Output is correct
49 Correct 619 ms 34420 KB Output is correct
50 Correct 622 ms 34532 KB Output is correct
51 Correct 562 ms 34420 KB Output is correct
52 Correct 519 ms 33424 KB Output is correct
53 Correct 545 ms 33668 KB Output is correct
54 Correct 497 ms 32596 KB Output is correct
55 Correct 492 ms 32452 KB Output is correct
56 Correct 487 ms 32068 KB Output is correct

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 23756 KB Output is correct
2 Correct 14 ms 23804 KB Output is correct
3 Correct 13 ms 23760 KB Output is correct
4 Correct 13 ms 23756 KB Output is correct
5 Correct 14 ms 23756 KB Output is correct
6 Correct 13 ms 23804 KB Output is correct
7 Correct 13 ms 23756 KB Output is correct
8 Correct 13 ms 23756 KB Output is correct
9 Correct 13 ms 23756 KB Output is correct
10 Correct 13 ms 23756 KB Output is correct
11 Correct 13 ms 23712 KB Output is correct
12 Correct 13 ms 23692 KB Output is correct
13 Correct 13 ms 23756 KB Output is correct
14 Correct 13 ms 23756 KB Output is correct
15 Correct 13 ms 23716 KB Output is correct
16 Correct 21 ms 23780 KB Output is correct
17 Correct 13 ms 23756 KB Output is correct
18 Correct 13 ms 23756 KB Output is correct
19 Correct 13 ms 23756 KB Output is correct
20 Correct 13 ms 23756 KB Output is correct
21 Correct 14 ms 23756 KB Output is correct
22 Correct 13 ms 23756 KB Output is correct
23 Correct 14 ms 23812 KB Output is correct
24 Correct 13 ms 23756 KB Output is correct
25 Correct 13 ms 23884 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 41 ms 24768 KB Output is correct
28 Correct 30 ms 24720 KB Output is correct
29 Correct 33 ms 24824 KB Output is correct
30 Correct 36 ms 24856 KB Output is correct
31 Correct 33 ms 24704 KB Output is correct
32 Correct 30 ms 24740 KB Output is correct
33 Correct 33 ms 24704 KB Output is correct
34 Correct 31 ms 24840 KB Output is correct
35 Correct 59 ms 24780 KB Output is correct
36 Correct 59 ms 24768 KB Output is correct
37 Correct 60 ms 24688 KB Output is correct
38 Correct 59 ms 24780 KB Output is correct
39 Correct 62 ms 24900 KB Output is correct
40 Correct 51 ms 24816 KB Output is correct
41 Correct 62 ms 24748 KB Output is correct
42 Correct 47 ms 24780 KB Output is correct
43 Correct 47 ms 24780 KB Output is correct
44 Correct 51 ms 24840 KB Output is correct
45 Correct 51 ms 24852 KB Output is correct
46 Correct 52 ms 24924 KB Output is correct
47 Correct 50 ms 24772 KB Output is correct
48 Correct 612 ms 34580 KB Output is correct
49 Correct 619 ms 34420 KB Output is correct
50 Correct 622 ms 34532 KB Output is correct
51 Correct 562 ms 34420 KB Output is correct
52 Correct 519 ms 33424 KB Output is correct
53 Correct 545 ms 33668 KB Output is correct
54 Correct 497 ms 32596 KB Output is correct
55 Correct 492 ms 32452 KB Output is correct
56 Correct 487 ms 32068 KB Output is correct
57 Execution timed out 2564 ms 77836 KB Time limit exceeded
58 Halted 0 ms 0 KB -