oj.uz

Submission #431464

# Submission time Handle Problem Language Result Execution time Memory
431464 2021-06-17T12:02:40 Z Hideo Food Court (JOI21_foodcourt) C++17
0 / 100
 86 ms 7684 KB 
#include <bits/stdc++.h>
using namespace std;

#define all(s) s.begin(), s.end()
#define int long long
#define ll long long
#define fr first
#define sc second
#define pb push_back
#define mk make_pair
#define pi pair < int, int >

const int N = 65007;
const int INF = 1e9 + 7;

ll cnt[N];
int clr[N];
int n, m, q;

vector < pi > nxt[N];
vector < pi > gt[N];

int ans[N];

int t[4 * N];

void upd (int v, int l, int r, int pos, int val){
    if (l == r)
        t[v] += val;
    else {
        int mid = (l + r) >> 1;
        if (pos <= mid)
            upd(v + v, l, mid, pos, val);
        else
            upd(v + v + 1, mid + 1, r, pos, val);
        t[v] = t[v + v] + t[v + v + 1];
    }
}

int get (int v, int l, int r, int pos, int val){
//    cout << v << ' ' << l << ' ' << r << endl;
    if (l > pos)
        return 0;
    int mid = (l + r) >> 1;
    if (r <= pos){
        if (l == r)
            return clr[l];
        if (t[v] < val)
            return 0;
        if (t[v + v] >= val)
            return get(v + v, l, mid, pos, val);
        val -= t[v + v];
        return get(v + v + 1, mid + 1, r, pos, val);
    }
    else {
        int r1 = get(v + v, l, mid, pos, val);
        int r2 = get(v + v + 1, mid + 1, r, pos, val);
        if (r2)
            return r2;
        return r1;
    }
}

main (){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> n >> m >> q;
    for (int i = 1; i <= q; i++){
        int t;
        cin >> t;
        if (t == 1){
            int l, r, c, k;
            cin >> l >> r >> c >> k;
            clr[i] = c;
            nxt[l].pb({i, k});
            nxt[r + 1].pb({i, -k});
        }
        else if (t == 3){
            int a;
            ll b;
            cin >> a >> b;
            gt[a].pb({i, b});
        }
        else
            return 0;
    }
    for (int i = 1; i <= n; i++){
        for (auto it : nxt[i]){
            upd(1, 1, q, it.fr, it.sc);
        }
        for (auto it : gt[i]){
            ans[it.fr] = get(1, 1, q, it.fr, it.sc);
        }
    }
    for (int i = 1; i <= q; i++){
        if (ans[i] == -1)
            cout << 0 << endl;
        else if (ans[i])
            cout << ans[i] << endl;
    }
}

Compilation message

foodcourt.cpp:64:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   64 | main (){
      | ^~~~

Subtask #1
0 / 2.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 3296 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 3296 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 3276 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Runtime error 7 ms 6644 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 3296 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 86 ms 7684 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 26.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 3296 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 3296 KB Output isn't correct
2 Halted 0 ms 0 KB -