oj.uz

Submission #238361

# Submission time Handle Problem Language Result Execution time Memory
238361 2020-06-10T21:41:34 Z Sorting Restore Array (RMI19_restore) C++14
38 / 100
 12 ms 1024 KB 
#include <bits/stdc++.h>

using namespace std;

const int k_N = 5000 + 3;
const int k_M = 10000 + 3;

struct Constraint{
    int l, r, k, value;

    Constraint(){}
    Constraint(int l, int r, int k, int value){
        this->l = l;
        this->r = r;
        this->k = k;
        this->value = value;
    }
};

int n, m;
int a[k_N];
Constraint c[k_M];

int prefix[k_N];

int get_count_ones(int l, int r){
    if(l == 0)
        return prefix[r];
    return prefix[r] - prefix[l - 1];
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n >> m;

    for(int i = 0; i < m; ++i)
        cin >> c[i].l >> c[i].r >> c[i].k >> c[i].value;

    for(int i = 0; i < n; ++i)
        a[i] = -1;

    vector<Constraint> new_c;
    for(int i = 0; i < m; ++i){
        auto [l, r, k, value] = c[i];

        if(k == 1 && value == 1){
            for(int j = l; j <= r; ++j)
                a[j] = 1;
        }
        else if(k == (r - l + 1) && value == 0){
            for(int j = l; j <= r; ++j)
                a[j] = 0;
        }
        else
            new_c.push_back(c[i]);
    }

    sort(new_c.begin(), new_c.end(), [](const Constraint &lvalue, const Constraint &rvalue){
        if(lvalue.r - lvalue.l != rvalue.r - rvalue.l)
            return (lvalue.r - lvalue.l) < (rvalue.r - rvalue.l);
        return lvalue.l < rvalue.l;
    });

    for(auto [l, r, k, value]: new_c){
        bool ok = false;
        for(int i = l; i <= r; ++i){
            if(a[i] == value){
                ok = true;
                break;
            }
        }

        if(ok)
            continue;

        for(int i = l; i <= r; ++i){
            if(a[i] == -1){
                a[i] = value;
                ok = true;
                break;
            }
        }

        if(!ok){
            cout << "-1\n";
            return 0;
        }
    }

    for(int i = 0; i < n; ++i)
        a[i] = (a[i] == -1) ? 0 : a[i];

    for(int i = 0; i < n; ++i)
        cout << a[i] << " ";
    cout << "\n";
}

Compilation message

restore.cpp: In function 'int main()':
restore.cpp:46:14: warning: decomposition declaration only available with -std=c++1z or -std=gnu++1z
         auto [l, r, k, value] = c[i];
              ^
restore.cpp:66:14: warning: decomposition declaration only available with -std=c++1z or -std=gnu++1z
     for(auto [l, r, k, value]: new_c){
              ^
restore.cpp:66:29: warning: unused variable 'k' [-Wunused-variable]
     for(auto [l, r, k, value]: new_c){
                             ^

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 896 KB Output is correct
2 Correct 8 ms 896 KB Output is correct
3 Correct 8 ms 896 KB Output is correct
4 Correct 9 ms 896 KB Output is correct
5 Correct 10 ms 768 KB Output is correct
6 Correct 10 ms 768 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 896 KB Output is correct
2 Correct 8 ms 896 KB Output is correct
3 Correct 8 ms 896 KB Output is correct
4 Correct 9 ms 896 KB Output is correct
5 Correct 10 ms 768 KB Output is correct
6 Correct 10 ms 768 KB Output is correct
7 Correct 9 ms 896 KB Output is correct
8 Correct 9 ms 896 KB Output is correct
9 Correct 9 ms 896 KB Output is correct
10 Correct 9 ms 896 KB Output is correct
11 Correct 11 ms 896 KB Output is correct
12 Correct 11 ms 768 KB Output is correct
13 Correct 9 ms 896 KB Output is correct
14 Correct 11 ms 896 KB Output is correct
15 Correct 12 ms 1024 KB Output is correct
16 Correct 9 ms 1024 KB Output is correct

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -