oj.uz

Submission #731942

# Submission time Handle Problem Language Result Execution time Memory
731942 2023-04-28T07:14:28 Z GrindMachine Pairs (IOI07_pairs) C++17
47 / 100
 4000 ms 5796 KB 
// Om Namah Shivaya

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x, y) ((x + y - 1) / (y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl

#define rep(i, n) for(int i = 0; i < n; ++i)
#define rep1(i, n) for(int i = 1; i <= n; ++i)
#define rev(i, s, e) for(int i = s; i >= e; --i)
#define trav(i, a) for(auto &i : a)

template<typename T>
void amin(T &a, T b) {
    a = min(a, b);
}

template<typename T>
void amax(T &a, T b) {
    a = max(a, b);
}

#ifdef LOCAL
#include "debug.h"
#else
#define debug(x) 42
#endif

/*



*/

const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;

void solve(int test_case)
{
    ll b, n, d, m; cin >> b >> n >> d >> m;

    if (b == 1) {
        vector<ll> a(n);
        rep(i, n) cin >> a[i];

        sort(all(a));

        ll ans = 0;
        ll ptr = 0;

        rep(i, n) {
            while (a[i] - a[ptr] > d) {
                ptr++;
            }

            ans += i - ptr;
        }

        cout << ans << endl;
    }

    else if (b == 2) {
        vector<vector<ll>> a(n, vector<ll>(b));
        rep(i, n) rep(j, b) cin >> a[i][j];

        ll ans = 0;

        rep(i, n) {
            for (int j = i + 1; j < n; ++j) {
                ll dis = 0;
                rep(k, b) {
                    dis += abs(a[i][k] - a[j][k]);
                }

                ans += (dis <= d);
            }
        }

        cout << ans << endl;
    }

    else {
        vector<vector<ll>> a(n, vector<ll>(b));
        rep(i, n) rep(j, b) cin >> a[i][j];

        ll ans = 0;

        rep(i, n) {
            for (int j = i + 1; j < n; ++j) {
                ll dis = 0;
                rep(k, b) {
                    dis += abs(a[i][k] - a[j][k]);
                }

                ans += (dis <= d);
            }
        }

        cout << ans << endl;
    }
}

int main()
{
    fastio;

    int t = 1;
    // cin >> t;

    rep1(i, t) {
        solve(i);
    }

    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct

Subtask #3
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 1108 KB Output is correct
2 Correct 15 ms 1108 KB Output is correct

Subtask #4
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 1108 KB Output is correct
2 Correct 17 ms 1108 KB Output is correct

Subtask #5
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 1108 KB Output is correct
2 Correct 17 ms 1108 KB Output is correct
3 Correct 15 ms 1108 KB Output is correct

Subtask #6
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct

Subtask #7
0 / 7.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4072 ms 5796 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 8.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4019 ms 5716 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 8.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4045 ms 5716 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 340 KB Output is correct
2 Correct 4 ms 340 KB Output is correct

Subtask #11
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4017 ms 5716 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #12
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4035 ms 5716 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #13
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4043 ms 5716 KB Time limit exceeded
2 Halted 0 ms 0 KB -