Submission #398764

# Submission time Handle Problem Language Result Execution time Memory
398764 2021-05-04T19:39:48 Z duality Rope (JOI17_rope) C++11
0 / 100
14 ms 23832 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 ----------

int C[1000000];
int ans[1000000],occ[1000000],order[1000000];
vi adj[1000000];
int sub[1000000];
bool comp(int a,int b) {
    return occ[a] > occ[b];
}
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,order[i] = i;
    for (i = 0; i < N; i++) occ[C[i]]++;
    sort(order,order+N,comp);
    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++) sub[adj[i][j]]++;
            for (j = 0; j < M; j++) {
                int u = order[j];
                if (i != u) ans[i] = min(ans[i],N-occ[i]-occ[u]+sub[u]);
                if ((i != u) && (sub[u] == 0)) break;
            }
            for (j = 0; j < adj[i].size(); j++) sub[adj[i][j]] = 0;
            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:85:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |             for (j = 0; j < adj[i].size(); j++) sub[adj[i][j]]++;
      |                         ~~^~~~~~~~~~~~~~~
rope.cpp:91:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |             for (j = 0; j < adj[i].size(); j++) sub[adj[i][j]] = 0;
      |                         ~~^~~~~~~~~~~~~~~
rope.cpp:68:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   68 |     scanf("%d %d",&N,&M);
      |     ~~~~~^~~~~~~~~~~~~~~
rope.cpp:69:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   69 |     for (i = 0; i < N; i++) scanf("%d",&C[i]),C[i]--;
      |                             ~~~~~^~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 13 ms 23756 KB Output is correct
2 Correct 13 ms 23756 KB Output is correct
3 Correct 14 ms 23832 KB Output is correct
4 Correct 13 ms 23804 KB Output is correct
5 Correct 13 ms 23756 KB Output is correct
6 Correct 13 ms 23756 KB Output is correct
7 Correct 13 ms 23776 KB Output is correct
8 Correct 13 ms 23788 KB Output is correct
9 Correct 13 ms 23712 KB Output is correct
10 Correct 13 ms 23824 KB Output is correct
11 Correct 13 ms 23756 KB Output is correct
12 Correct 14 ms 23756 KB Output is correct
13 Correct 13 ms 23820 KB Output is correct
14 Correct 13 ms 23828 KB Output is correct
15 Correct 13 ms 23756 KB Output is correct
16 Correct 13 ms 23756 KB Output is correct
17 Correct 13 ms 23824 KB Output is correct
18 Correct 13 ms 23708 KB Output is correct
19 Correct 13 ms 23756 KB Output is correct
20 Correct 13 ms 23732 KB Output is correct
21 Correct 13 ms 23820 KB Output is correct
22 Correct 13 ms 23756 KB Output is correct
23 Correct 13 ms 23756 KB Output is correct
24 Incorrect 13 ms 23760 KB Output isn't correct
25 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 13 ms 23756 KB Output is correct
2 Correct 13 ms 23756 KB Output is correct
3 Correct 14 ms 23832 KB Output is correct
4 Correct 13 ms 23804 KB Output is correct
5 Correct 13 ms 23756 KB Output is correct
6 Correct 13 ms 23756 KB Output is correct
7 Correct 13 ms 23776 KB Output is correct
8 Correct 13 ms 23788 KB Output is correct
9 Correct 13 ms 23712 KB Output is correct
10 Correct 13 ms 23824 KB Output is correct
11 Correct 13 ms 23756 KB Output is correct
12 Correct 14 ms 23756 KB Output is correct
13 Correct 13 ms 23820 KB Output is correct
14 Correct 13 ms 23828 KB Output is correct
15 Correct 13 ms 23756 KB Output is correct
16 Correct 13 ms 23756 KB Output is correct
17 Correct 13 ms 23824 KB Output is correct
18 Correct 13 ms 23708 KB Output is correct
19 Correct 13 ms 23756 KB Output is correct
20 Correct 13 ms 23732 KB Output is correct
21 Correct 13 ms 23820 KB Output is correct
22 Correct 13 ms 23756 KB Output is correct
23 Correct 13 ms 23756 KB Output is correct
24 Incorrect 13 ms 23760 KB Output isn't correct
25 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 13 ms 23756 KB Output is correct
2 Correct 13 ms 23756 KB Output is correct
3 Correct 14 ms 23832 KB Output is correct
4 Correct 13 ms 23804 KB Output is correct
5 Correct 13 ms 23756 KB Output is correct
6 Correct 13 ms 23756 KB Output is correct
7 Correct 13 ms 23776 KB Output is correct
8 Correct 13 ms 23788 KB Output is correct
9 Correct 13 ms 23712 KB Output is correct
10 Correct 13 ms 23824 KB Output is correct
11 Correct 13 ms 23756 KB Output is correct
12 Correct 14 ms 23756 KB Output is correct
13 Correct 13 ms 23820 KB Output is correct
14 Correct 13 ms 23828 KB Output is correct
15 Correct 13 ms 23756 KB Output is correct
16 Correct 13 ms 23756 KB Output is correct
17 Correct 13 ms 23824 KB Output is correct
18 Correct 13 ms 23708 KB Output is correct
19 Correct 13 ms 23756 KB Output is correct
20 Correct 13 ms 23732 KB Output is correct
21 Correct 13 ms 23820 KB Output is correct
22 Correct 13 ms 23756 KB Output is correct
23 Correct 13 ms 23756 KB Output is correct
24 Incorrect 13 ms 23760 KB Output isn't correct
25 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 13 ms 23756 KB Output is correct
2 Correct 13 ms 23756 KB Output is correct
3 Correct 14 ms 23832 KB Output is correct
4 Correct 13 ms 23804 KB Output is correct
5 Correct 13 ms 23756 KB Output is correct
6 Correct 13 ms 23756 KB Output is correct
7 Correct 13 ms 23776 KB Output is correct
8 Correct 13 ms 23788 KB Output is correct
9 Correct 13 ms 23712 KB Output is correct
10 Correct 13 ms 23824 KB Output is correct
11 Correct 13 ms 23756 KB Output is correct
12 Correct 14 ms 23756 KB Output is correct
13 Correct 13 ms 23820 KB Output is correct
14 Correct 13 ms 23828 KB Output is correct
15 Correct 13 ms 23756 KB Output is correct
16 Correct 13 ms 23756 KB Output is correct
17 Correct 13 ms 23824 KB Output is correct
18 Correct 13 ms 23708 KB Output is correct
19 Correct 13 ms 23756 KB Output is correct
20 Correct 13 ms 23732 KB Output is correct
21 Correct 13 ms 23820 KB Output is correct
22 Correct 13 ms 23756 KB Output is correct
23 Correct 13 ms 23756 KB Output is correct
24 Incorrect 13 ms 23760 KB Output isn't correct
25 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 13 ms 23756 KB Output is correct
2 Correct 13 ms 23756 KB Output is correct
3 Correct 14 ms 23832 KB Output is correct
4 Correct 13 ms 23804 KB Output is correct
5 Correct 13 ms 23756 KB Output is correct
6 Correct 13 ms 23756 KB Output is correct
7 Correct 13 ms 23776 KB Output is correct
8 Correct 13 ms 23788 KB Output is correct
9 Correct 13 ms 23712 KB Output is correct
10 Correct 13 ms 23824 KB Output is correct
11 Correct 13 ms 23756 KB Output is correct
12 Correct 14 ms 23756 KB Output is correct
13 Correct 13 ms 23820 KB Output is correct
14 Correct 13 ms 23828 KB Output is correct
15 Correct 13 ms 23756 KB Output is correct
16 Correct 13 ms 23756 KB Output is correct
17 Correct 13 ms 23824 KB Output is correct
18 Correct 13 ms 23708 KB Output is correct
19 Correct 13 ms 23756 KB Output is correct
20 Correct 13 ms 23732 KB Output is correct
21 Correct 13 ms 23820 KB Output is correct
22 Correct 13 ms 23756 KB Output is correct
23 Correct 13 ms 23756 KB Output is correct
24 Incorrect 13 ms 23760 KB Output isn't correct
25 Halted 0 ms 0 KB -