oj.uz

Submission #886085

# Submission time Handle Problem Language Result Execution time Memory
886085 2023-12-11T12:47:44 Z nnhzzz Pilot (NOI19_pilot) C++14
100 / 100
 580 ms 147128 KB 
/* [Author: Nguyen Ngoc Hung] - From THPT Ngo Gia Tu with Love */

#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <locale>
#include <map>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <unordered_set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <utility>
#include <valarray>
#include <vector>
#include <cstring>
#include <unordered_map>
#include <cmath>
#include <array>
#include <cassert>
#include <random>
#include <chrono>
 
using namespace std;
 
#define        __nnhzzz__  signed main()
#define          BIT(i,j)  ((i>>j)&1LL)
#define           MASK(i)  (1LL<<i)
#define            ALL(x)  (x).begin(),(x).end()
#define             SZ(x)  (int)(x).size()
#define               _PB  push_back
#define                fi  first
#define                se  second
#define                ll  long long
#define                ld  long double
#define                vi  vector<int>
#define               vvi  vector<vi>
#define              vvvi  vector<vvi>
#define               pii  pair<int,int>
#define              vpii  vector<pii>
#define             vvpii  vector<vpii>
#define REPDIS(i,be,en,j)  for(int i = (be); i<=(en); i+=j)
#define     REPD(i,be,en)  for(int i = (be); i>=(en); i--)
#define      REP(i,be,en)  for(int i = (be); i<=(en); i++)
#define              endl  "\n"
#define                MP  make_pair
#define               int  ll
 
//-----------------------------------------------------------------------------------------------//
int readInt(){
    char c;
    do{ c = getchar(); }while(c!='-' && !isdigit(c));
    bool neg = (c=='-');
    int res = neg?0:c-'0';
    while(isdigit(c=getchar())) res = (res<<3)+(res<<1)+(c-'0');
    return neg?-res:res;
}
//------------------------------------------------------------------------------------------------//
const  ll   LINF = 1e18;
const int    INF = 1e9;
const int    LOG = 20;
const int   MAXN = 1e6+3;
const int      N = 1e2+3;
const int    MOD = 1e9+7;
const int   BASE = 1e5;
const  ld    EPS = 1e-9;
const  ld     PI = acos(-1);
const int OFFSET = 1e3;
//------------------------------------------------------------------------------------------------//
template<typename T1, typename T2> bool mini(T1 &a, T2 b){if(a>b){a=b;return true;}return false;}
template<typename T1, typename T2> bool maxi(T1 &a, T2 b){if(a<b){a=b;return true;}return false;}
template<typename T> T gcd(T a, T b) { while(b) { a %= b; swap(a,b); } return a; }
template<typename T> T lcm(T a, T b) { return a/gcd(a,b)*b; }
//------------------------------------------------------------------------------------------------//
 
/*
----------------------------------------------------------------
    END OF TEMPLATE
----------------------------------------------------------------
    Nguyen Ngoc Hung - nnhzzz
    Training for VOI24 gold medal
----------------------------------------------------------------
*/
 
int a[MAXN],res[MAXN],q[MAXN];
int n,query;
 
namespace sub3{
    const int MAX = 2e2+3;
    int f[MAX][MAX];
 
    void solve(){
        REP(i,1,n){
            int ma = 0;
            REP(j,i,n){
                maxi(ma,a[j]);
                f[i][j] = ma;
            }
        }
        REP(t,1,query){
            int x = q[t],res = 0;
            REP(i,1,n){
                REP(j,i,n){
                    if(f[i][j]>x) break;
                    ++res;
                }
            }
            cout << res << endl;
        }
    }
}
 
namespace sub11{
    int sum = 0;
    vi adj[MAXN],g[MAXN];
    struct DSU{
        vi par,s;
        int n;
 
        int find(int u){
            while(u!=par[u]) u = par[u] = par[par[u]];
            return u;
        }
 
        void unite(int u, int v){
            if(min(u,v)<1 || max(u,v)>n) return ;
            u = find(u); v = find(v);
            if(u==v) return ;
            sum += 1LL*s[u]*s[v];
            if(s[u]<s[v]) swap(u,v);
            s[u] += s[v];
            par[v] = u;
        }
 
        DSU(int _n):n(_n){
            par.resize(n+3); iota(ALL(par),0);
            s.assign(n+3,1);
        }
    };
 
    void solve(){
        REP(i,1,n) adj[a[i]].push_back(i);
        REP(i,1,query) g[q[i]].push_back(i);
        DSU dsu(n);
        REP(x,1,MAXN-1){
            for(int &i:adj[x]){
                if(a[i-1]<=x) dsu.unite(i-1,i);
                if(a[i+1]<=x) dsu.unite(i,i+1);
            }
            sum += SZ(adj[x]);
            for(int &i:g[x]) res[i] = sum;
        }
        REP(i,1,query) cout << res[i] << endl;
    }
}
 
void solve(){
    // cin >> n >> query;
    n = readInt(); query = readInt();
    REP(i,1,n) a[i] = readInt();
    REP(i,1,query) q[i] = readInt();
    sub11::solve(); return ;
    if(n<=200 && query<=200){
        sub3::solve();
        return ;
    }
    sub11::solve();
}
 
__nnhzzz__{
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    #define task "test"
    if(fopen(task".inp","r")){
        freopen(task".inp","r",stdin);
        freopen(task".out","w",stdout);
    }
    #define task1 "nnhzzz"
    if(fopen(task1".inp","r")){
        freopen(task1".inp","r",stdin);
        freopen(task1".out","w",stdout);
    }
 
    int test = 1;
 
    while(test--){
        solve();
    }
    cerr << "\nTime elapsed: " << 1000*clock()/CLOCKS_PER_SEC << "ms\n";
    return 0;
}

Compilation message

pilot.cpp: In function 'int main()':
pilot.cpp:192:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  192 |         freopen(task".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
pilot.cpp:193:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  193 |         freopen(task".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
pilot.cpp:197:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  197 |         freopen(task1".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
pilot.cpp:198:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  198 |         freopen(task1".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 51800 KB Output is correct
2 Correct 14 ms 51804 KB Output is correct
3 Correct 14 ms 51944 KB Output is correct
4 Correct 15 ms 51804 KB Output is correct
5 Correct 14 ms 51804 KB Output is correct
6 Correct 14 ms 51800 KB Output is correct
7 Correct 14 ms 51936 KB Output is correct
8 Correct 13 ms 51804 KB Output is correct
9 Correct 13 ms 51804 KB Output is correct
10 Correct 13 ms 51940 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 51800 KB Output is correct
2 Correct 14 ms 51804 KB Output is correct
3 Correct 14 ms 51944 KB Output is correct
4 Correct 15 ms 51804 KB Output is correct
5 Correct 14 ms 51804 KB Output is correct
6 Correct 14 ms 51800 KB Output is correct
7 Correct 14 ms 51936 KB Output is correct
8 Correct 13 ms 51804 KB Output is correct
9 Correct 13 ms 51804 KB Output is correct
10 Correct 13 ms 51940 KB Output is correct
11 Correct 13 ms 51800 KB Output is correct
12 Correct 14 ms 51928 KB Output is correct
13 Correct 15 ms 51800 KB Output is correct
14 Correct 14 ms 52060 KB Output is correct
15 Correct 14 ms 51860 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 51800 KB Output is correct
2 Correct 14 ms 51804 KB Output is correct
3 Correct 14 ms 51944 KB Output is correct
4 Correct 15 ms 51804 KB Output is correct
5 Correct 14 ms 51804 KB Output is correct
6 Correct 14 ms 51800 KB Output is correct
7 Correct 14 ms 51936 KB Output is correct
8 Correct 13 ms 51804 KB Output is correct
9 Correct 13 ms 51804 KB Output is correct
10 Correct 13 ms 51940 KB Output is correct
11 Correct 13 ms 51800 KB Output is correct
12 Correct 14 ms 51928 KB Output is correct
13 Correct 15 ms 51800 KB Output is correct
14 Correct 14 ms 52060 KB Output is correct
15 Correct 14 ms 51860 KB Output is correct
16 Correct 14 ms 51804 KB Output is correct
17 Correct 14 ms 51856 KB Output is correct
18 Correct 13 ms 51800 KB Output is correct
19 Correct 14 ms 51804 KB Output is correct
20 Correct 14 ms 51952 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 51800 KB Output is correct
2 Correct 14 ms 51804 KB Output is correct
3 Correct 14 ms 51944 KB Output is correct
4 Correct 15 ms 51804 KB Output is correct
5 Correct 14 ms 51804 KB Output is correct
6 Correct 14 ms 51800 KB Output is correct
7 Correct 14 ms 51936 KB Output is correct
8 Correct 13 ms 51804 KB Output is correct
9 Correct 13 ms 51804 KB Output is correct
10 Correct 13 ms 51940 KB Output is correct
11 Correct 13 ms 51800 KB Output is correct
12 Correct 14 ms 51928 KB Output is correct
13 Correct 15 ms 51800 KB Output is correct
14 Correct 14 ms 52060 KB Output is correct
15 Correct 14 ms 51860 KB Output is correct
16 Correct 14 ms 51804 KB Output is correct
17 Correct 14 ms 51856 KB Output is correct
18 Correct 13 ms 51800 KB Output is correct
19 Correct 14 ms 51804 KB Output is correct
20 Correct 14 ms 51952 KB Output is correct
21 Correct 15 ms 51804 KB Output is correct
22 Correct 14 ms 51804 KB Output is correct
23 Correct 15 ms 52056 KB Output is correct
24 Correct 14 ms 52032 KB Output is correct
25 Correct 14 ms 51804 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 55900 KB Output is correct
2 Correct 42 ms 57056 KB Output is correct
3 Correct 26 ms 55892 KB Output is correct
4 Correct 41 ms 56516 KB Output is correct
5 Correct 26 ms 55864 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 64868 KB Output is correct
2 Correct 45 ms 65168 KB Output is correct
3 Correct 47 ms 65024 KB Output is correct
4 Correct 47 ms 65104 KB Output is correct
5 Correct 47 ms 64872 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 65104 KB Output is correct
2 Correct 60 ms 65080 KB Output is correct
3 Correct 59 ms 65228 KB Output is correct
4 Correct 51 ms 65368 KB Output is correct
5 Correct 53 ms 65376 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 51800 KB Output is correct
2 Correct 14 ms 51804 KB Output is correct
3 Correct 14 ms 51944 KB Output is correct
4 Correct 15 ms 51804 KB Output is correct
5 Correct 14 ms 51804 KB Output is correct
6 Correct 14 ms 51800 KB Output is correct
7 Correct 14 ms 51936 KB Output is correct
8 Correct 13 ms 51804 KB Output is correct
9 Correct 13 ms 51804 KB Output is correct
10 Correct 13 ms 51940 KB Output is correct
11 Correct 26 ms 55900 KB Output is correct
12 Correct 42 ms 57056 KB Output is correct
13 Correct 26 ms 55892 KB Output is correct
14 Correct 41 ms 56516 KB Output is correct
15 Correct 26 ms 55864 KB Output is correct
16 Correct 25 ms 55644 KB Output is correct
17 Correct 42 ms 56912 KB Output is correct
18 Correct 43 ms 56924 KB Output is correct
19 Correct 26 ms 55776 KB Output is correct
20 Correct 43 ms 56924 KB Output is correct
21 Correct 26 ms 55644 KB Output is correct
22 Correct 39 ms 56524 KB Output is correct
23 Correct 27 ms 56144 KB Output is correct
24 Correct 40 ms 56464 KB Output is correct
25 Correct 26 ms 56032 KB Output is correct

Subtask #9
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 51800 KB Output is correct
2 Correct 14 ms 51804 KB Output is correct
3 Correct 14 ms 51944 KB Output is correct
4 Correct 15 ms 51804 KB Output is correct
5 Correct 14 ms 51804 KB Output is correct
6 Correct 14 ms 51800 KB Output is correct
7 Correct 14 ms 51936 KB Output is correct
8 Correct 13 ms 51804 KB Output is correct
9 Correct 13 ms 51804 KB Output is correct
10 Correct 13 ms 51940 KB Output is correct
11 Correct 13 ms 51800 KB Output is correct
12 Correct 14 ms 51928 KB Output is correct
13 Correct 15 ms 51800 KB Output is correct
14 Correct 14 ms 52060 KB Output is correct
15 Correct 14 ms 51860 KB Output is correct
16 Correct 14 ms 51804 KB Output is correct
17 Correct 14 ms 51856 KB Output is correct
18 Correct 13 ms 51800 KB Output is correct
19 Correct 14 ms 51804 KB Output is correct
20 Correct 14 ms 51952 KB Output is correct
21 Correct 15 ms 51804 KB Output is correct
22 Correct 14 ms 51804 KB Output is correct
23 Correct 15 ms 52056 KB Output is correct
24 Correct 14 ms 52032 KB Output is correct
25 Correct 14 ms 51804 KB Output is correct
26 Correct 26 ms 55900 KB Output is correct
27 Correct 42 ms 57056 KB Output is correct
28 Correct 26 ms 55892 KB Output is correct
29 Correct 41 ms 56516 KB Output is correct
30 Correct 26 ms 55864 KB Output is correct
31 Correct 46 ms 64868 KB Output is correct
32 Correct 45 ms 65168 KB Output is correct
33 Correct 47 ms 65024 KB Output is correct
34 Correct 47 ms 65104 KB Output is correct
35 Correct 47 ms 64872 KB Output is correct
36 Correct 51 ms 65104 KB Output is correct
37 Correct 60 ms 65080 KB Output is correct
38 Correct 59 ms 65228 KB Output is correct
39 Correct 51 ms 65368 KB Output is correct
40 Correct 53 ms 65376 KB Output is correct
41 Correct 25 ms 55644 KB Output is correct
42 Correct 42 ms 56912 KB Output is correct
43 Correct 43 ms 56924 KB Output is correct
44 Correct 26 ms 55776 KB Output is correct
45 Correct 43 ms 56924 KB Output is correct
46 Correct 26 ms 55644 KB Output is correct
47 Correct 39 ms 56524 KB Output is correct
48 Correct 27 ms 56144 KB Output is correct
49 Correct 40 ms 56464 KB Output is correct
50 Correct 26 ms 56032 KB Output is correct
51 Correct 67 ms 64084 KB Output is correct
52 Correct 68 ms 64896 KB Output is correct
53 Correct 52 ms 64064 KB Output is correct
54 Correct 70 ms 64848 KB Output is correct
55 Correct 55 ms 63936 KB Output is correct

Subtask #10
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 51800 KB Output is correct
2 Correct 14 ms 51804 KB Output is correct
3 Correct 14 ms 51944 KB Output is correct
4 Correct 15 ms 51804 KB Output is correct
5 Correct 14 ms 51804 KB Output is correct
6 Correct 14 ms 51800 KB Output is correct
7 Correct 14 ms 51936 KB Output is correct
8 Correct 13 ms 51804 KB Output is correct
9 Correct 13 ms 51804 KB Output is correct
10 Correct 13 ms 51940 KB Output is correct
11 Correct 13 ms 51800 KB Output is correct
12 Correct 14 ms 51928 KB Output is correct
13 Correct 15 ms 51800 KB Output is correct
14 Correct 14 ms 52060 KB Output is correct
15 Correct 14 ms 51860 KB Output is correct
16 Correct 14 ms 51804 KB Output is correct
17 Correct 14 ms 51856 KB Output is correct
18 Correct 13 ms 51800 KB Output is correct
19 Correct 14 ms 51804 KB Output is correct
20 Correct 14 ms 51952 KB Output is correct
21 Correct 15 ms 51804 KB Output is correct
22 Correct 14 ms 51804 KB Output is correct
23 Correct 15 ms 52056 KB Output is correct
24 Correct 14 ms 52032 KB Output is correct
25 Correct 14 ms 51804 KB Output is correct
26 Correct 26 ms 55900 KB Output is correct
27 Correct 42 ms 57056 KB Output is correct
28 Correct 26 ms 55892 KB Output is correct
29 Correct 41 ms 56516 KB Output is correct
30 Correct 26 ms 55864 KB Output is correct
31 Correct 46 ms 64868 KB Output is correct
32 Correct 45 ms 65168 KB Output is correct
33 Correct 47 ms 65024 KB Output is correct
34 Correct 47 ms 65104 KB Output is correct
35 Correct 47 ms 64872 KB Output is correct
36 Correct 51 ms 65104 KB Output is correct
37 Correct 60 ms 65080 KB Output is correct
38 Correct 59 ms 65228 KB Output is correct
39 Correct 51 ms 65368 KB Output is correct
40 Correct 53 ms 65376 KB Output is correct
41 Correct 25 ms 55644 KB Output is correct
42 Correct 42 ms 56912 KB Output is correct
43 Correct 43 ms 56924 KB Output is correct
44 Correct 26 ms 55776 KB Output is correct
45 Correct 43 ms 56924 KB Output is correct
46 Correct 26 ms 55644 KB Output is correct
47 Correct 39 ms 56524 KB Output is correct
48 Correct 27 ms 56144 KB Output is correct
49 Correct 40 ms 56464 KB Output is correct
50 Correct 26 ms 56032 KB Output is correct
51 Correct 67 ms 64084 KB Output is correct
52 Correct 68 ms 64896 KB Output is correct
53 Correct 52 ms 64064 KB Output is correct
54 Correct 70 ms 64848 KB Output is correct
55 Correct 55 ms 63936 KB Output is correct
56 Correct 580 ms 144780 KB Output is correct
57 Correct 580 ms 145640 KB Output is correct
58 Correct 551 ms 140708 KB Output is correct
59 Correct 544 ms 142952 KB Output is correct
60 Correct 562 ms 147128 KB Output is correct