oj.uz

Submission #426674

# Submission time Handle Problem Language Result Execution time Memory
426674 2021-06-14T08:56:00 Z 반딧불(#7615) Ancient Machine (JOI21_ancient_machine) C++17
99 / 100
 98 ms 8008 KB 
#include "Anna.h"
#include <bits/stdc++.h>

#ifdef TEST
#define LIM_A 50
#define LIM_B 35
typedef long long ll;
#else
#define LIM_A 100
#define LIM_B 70
typedef __int128 ll;
#endif // TEST

using namespace std;

namespace {
    int n;
    bool arr[100002];
    ll DP[502][2];
    ll power[102];
}

void doSmall(vector<char> &S){
    int xOpen = -1;
    for(int i=0; i<n; i++){
        if(xOpen == -1){
            if(S[i] != 'X') Send(0);
            else{
                Send(1);
                xOpen = i;
            }
            continue;
        }

        if(S[i] == 'Z' && S[i+1] != 'Z') Send(1);
        else Send(0);
    }
}

void Anna(int N, vector<char> S) {
    int LIM = (N + LIM_A - 1) / LIM_A;
    LIM = 100000 / LIM_A;
    n = N;
//    if(n<=70000){
//        doSmall(S);
//        return;
//    }

    power[0] = 1;
    for(int i=1; i<=LIM_A; i++){
        power[i] = power[i-1] * 2;
    }

    int xOpen = -1;
    int strange = 0;
    for(int i=0; i<n; i++){
        if(xOpen == -1){
            if(S[i] != 'X'){}
            else{
                arr[i] = 1;
                xOpen = i;
            }
            continue;
        }

        if(S[i] == 'Z' && S[i+1] != 'Z'){
            if(arr[i-1] == 1) strange = 1;
            else arr[i] = 1;
        }
    }

    DP[0][0] = 1;
    for(int i=1; i<=LIM_A; i++){
        DP[i][0] = DP[i-1][0] + DP[i-1][1];
        DP[i][1] = DP[i-1][0];
    }

    for(int d=0; d<LIM; d++){
        int L = d*LIM_A, R = L+LIM_A;
        int cnt = accumulate(arr+L, arr+R, 0);
        ll sum = 0;

        for(int i=LIM_A, x=L; x<R; x++, i--){
            if(arr[x]){
                sum += DP[i][0];
            }
        }
        for(int i=0; i<LIM_B; i++){
            ll tmp = sum;
            for(int a=0; a<i; a++) tmp /= ll(2);
            Send(tmp%2);
        }
    }
    Send(strange);
}

#include "Bruno.h"
#include <bits/stdc++.h>

#ifdef TEST
#define LIM_A 50
#define LIM_B 35
typedef long long ll;
#else
#define LIM_A 100
#define LIM_B 70
typedef __int128 ll;
#endif // TEST

using namespace std;

namespace {
    int n;
    int arr[100002];
    ll DP[502][2];
    ll power[102];
    vector<int> X, Z;
}  // namespace

void Bruno(int N, int L, vector<int> A) {
    n = N;
    int LIM = (N + LIM_A - 1) / LIM_A;
    LIM = 100000 / LIM_A;
//    if(n<=70000){
//        for(int i=0; i<n; i++){
//            arr[i] = A[i];
//        }
//    }
    DP[0][0] = 1;
    for(int i=1; i<=LIM_A; i++){
        DP[i][0] = DP[i-1][0] + DP[i-1][1];
        DP[i][1] = DP[i-1][0];
    }

    power[0] = 1;
    for(int i=1; i<=LIM_A; i++){
        power[i] = power[i-1] * 2;
    }

    for(int d=0; d<LIM; d++){
        int L = d*LIM_A, R = d*LIM_A+LIM_A;
        ll sum = 0;
        for(int x=0; x<LIM_B; x++){
            if(A[d*LIM_B+x]) sum += power[x];
        }
        for(int i=LIM_A, x=L; x<R; i--, x++){
            if(sum >= DP[i][0]){
                arr[x] = 1;
                sum -= DP[i][0];
            }
        }
    }

    if(A.back()){
        for(int i=0; i<n; i++){
            if(arr[i]){
                arr[i+1] = 1;
                break;
            }
        }
    }


    int f = -1;
    for(int i=0; i<n; i++){
        if(f == -1){
            if(!arr[i]) Remove(i);
            else f=i;
            continue;
        }
        if(arr[i]){
            Remove(i);
            continue;
        }
        int j = i;
        while(j+1<n && !arr[j+1]) j++;
        for(int k=j; k>=i; k--) Remove(k);
        i=j;
    }

    if(f != -1) Remove(f);
}

Compilation message

Anna.cpp: In function 'void Anna(int, std::vector<char>)':
Anna.cpp:80:13: warning: unused variable 'cnt' [-Wunused-variable]
   80 |         int cnt = accumulate(arr+L, arr+R, 0);
      |             ^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 1836 KB Output is correct
2 Correct 20 ms 1940 KB Output is correct
3 Correct 24 ms 1884 KB Output is correct
4 Correct 28 ms 1832 KB Output is correct
5 Correct 20 ms 1912 KB Output is correct
6 Correct 23 ms 1832 KB Output is correct
7 Correct 30 ms 1860 KB Output is correct
8 Correct 24 ms 1840 KB Output is correct
9 Correct 24 ms 1892 KB Output is correct
10 Correct 20 ms 1852 KB Output is correct
11 Correct 24 ms 1892 KB Output is correct

Subtask #2
94.0 / 95.0

# Verdict Execution time Memory Grader output
1 Partially correct 65 ms 7868 KB Partially correct
2 Partially correct 77 ms 7920 KB Partially correct
3 Partially correct 70 ms 7844 KB Partially correct
4 Partially correct 65 ms 7960 KB Partially correct
5 Partially correct 63 ms 7932 KB Partially correct
6 Partially correct 82 ms 7840 KB Partially correct
7 Partially correct 87 ms 7976 KB Partially correct
8 Partially correct 66 ms 7888 KB Partially correct
9 Partially correct 67 ms 8008 KB Partially correct
10 Partially correct 71 ms 7912 KB Partially correct
11 Partially correct 71 ms 7852 KB Partially correct
12 Partially correct 75 ms 7940 KB Partially correct
13 Partially correct 76 ms 7452 KB Partially correct
14 Partially correct 93 ms 7960 KB Partially correct
15 Partially correct 86 ms 7984 KB Partially correct
16 Partially correct 97 ms 7932 KB Partially correct
17 Partially correct 98 ms 7412 KB Partially correct
18 Partially correct 73 ms 7300 KB Partially correct
19 Partially correct 71 ms 7444 KB Partially correct
20 Partially correct 76 ms 7912 KB Partially correct
21 Partially correct 78 ms 7876 KB Partially correct
22 Partially correct 80 ms 7432 KB Partially correct
23 Partially correct 66 ms 7912 KB Partially correct
24 Partially correct 65 ms 7940 KB Partially correct
25 Partially correct 77 ms 7440 KB Partially correct
26 Partially correct 72 ms 7460 KB Partially correct
27 Partially correct 69 ms 7440 KB Partially correct
28 Partially correct 75 ms 7436 KB Partially correct
29 Partially correct 69 ms 7440 KB Partially correct
30 Partially correct 74 ms 7484 KB Partially correct
31 Partially correct 77 ms 7476 KB Partially correct
32 Partially correct 69 ms 7852 KB Partially correct
33 Partially correct 68 ms 7940 KB Partially correct