oj.uz

Submission #537413

# Submission time Handle Problem Language Result Execution time Memory
537413 2022-03-15T05:18:47 Z wiwiho Treatment Project (JOI20_treatment) C++14
5 / 100
 294 ms 2088 KB 
#include <bits/stdc++.h>

#define mp make_pair
#define F first
#define S second
#define eb emplace_back
#define iter(a) a.begin(), a.end()
#define lsort(a) sort(iter(a))
#define gsort(a) sort(iter(a), greater<>())
#define printv(a, b) { \
    for(auto pv : a) b << pv << " "; \
    b << "\n"; \
}

using namespace std;

typedef long long ll;
using pii = pair<int, int>;

template<typename A, typename B>
ostream& operator<<(ostream& o, pair<A, B> a){
    return o << '(' << a.F << ',' << a.S << ')';
}

struct seg{
    int tme, l, r, c;
    bool operator<(seg b){
        array<int, 4> ta = {tme, l, r, c};
        array<int, 4> tb = {b.tme, b.l, b.r, b.c};
        return ta < tb;
    }
};

int n, m;
vector<seg> s;

bool solve(int msk){
    set<pii> st;
    st.insert(mp(1, n));
    vector<seg> a;
    for(int i = 0; i < m; i++){
        if(1 << i & msk) a.eb(s[i]);
    }
    lsort(a);

    int lst = 1;
    for(auto i : a){
        
        int sep = i.tme - lst;
        lst = i.tme;

        set<pii> tmp;
        for(pii t : st){
            int l = t.F, r = t.S;
            l -= sep; r += sep;
            l = max(l, 1);
            r = min(r, n);
            if(!tmp.empty() && tmp.rbegin()->S >= l - 1){
                pii owo = *tmp.rbegin();
                tmp.erase(prev(tmp.end()));
                owo.S = r;
                tmp.insert(owo);
            }
            else tmp.insert(mp(l, r));
        }
        st.swap(tmp);
        tmp.clear();
        
        int l = i.l, r = i.r;
        for(pii t : st){
            if(max(t.F, l) > min(t.S, r)){
                tmp.insert(t);
                continue;
            }
            int tl = t.F, tr = t.S;
            if(l <= tl && tr <= r) continue;
            else if(tr <= r) tmp.insert(mp(tl, l - 1));
            else if(l <= tl) tmp.insert(mp(r + 1, tr));
            else tmp.insert(mp(tl, l - 1)), tmp.insert(mp(r + 1, tr));
        }
        st.swap(tmp);
    }

    return st.empty();
}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    cin >> n >> m;

    s.resize(m);
    for(int i = 0; i < m; i++){
        cin >> s[i].tme >> s[i].l >> s[i].r >> s[i].c;
    }

    ll ans = LLONG_MAX;
    for(int i = 0; i < (1 << m); i++){
        if(!solve(i)) continue;
        //cerr << bitset<5>(i) << "\n";
        ll sum = 0;
        for(int j = 0; j < m; j++) if(1 << j & i) sum += s[j].c;
        ans = min(ans, sum);
    }
    if(ans == LLONG_MAX) ans = -1;
    cout << ans << "\n";

    return 0;
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 36 ms 2088 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 320 KB Output is correct
2 Correct 71 ms 212 KB Output is correct
3 Correct 69 ms 308 KB Output is correct
4 Correct 103 ms 212 KB Output is correct
5 Correct 110 ms 300 KB Output is correct
6 Correct 78 ms 300 KB Output is correct
7 Correct 93 ms 304 KB Output is correct
8 Correct 206 ms 300 KB Output is correct
9 Correct 94 ms 300 KB Output is correct
10 Correct 154 ms 300 KB Output is correct
11 Correct 294 ms 300 KB Output is correct
12 Correct 85 ms 304 KB Output is correct
13 Correct 102 ms 300 KB Output is correct
14 Correct 70 ms 296 KB Output is correct
15 Correct 83 ms 212 KB Output is correct
16 Correct 97 ms 304 KB Output is correct
17 Correct 147 ms 300 KB Output is correct
18 Correct 76 ms 300 KB Output is correct
19 Correct 118 ms 296 KB Output is correct

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 320 KB Output is correct
2 Correct 71 ms 212 KB Output is correct
3 Correct 69 ms 308 KB Output is correct
4 Correct 103 ms 212 KB Output is correct
5 Correct 110 ms 300 KB Output is correct
6 Correct 78 ms 300 KB Output is correct
7 Correct 93 ms 304 KB Output is correct
8 Correct 206 ms 300 KB Output is correct
9 Correct 94 ms 300 KB Output is correct
10 Correct 154 ms 300 KB Output is correct
11 Correct 294 ms 300 KB Output is correct
12 Correct 85 ms 304 KB Output is correct
13 Correct 102 ms 300 KB Output is correct
14 Correct 70 ms 296 KB Output is correct
15 Correct 83 ms 212 KB Output is correct
16 Correct 97 ms 304 KB Output is correct
17 Correct 147 ms 300 KB Output is correct
18 Correct 76 ms 300 KB Output is correct
19 Correct 118 ms 296 KB Output is correct
20 Incorrect 29 ms 540 KB Output isn't correct
21 Halted 0 ms 0 KB -

Subtask #4
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 36 ms 2088 KB Output isn't correct
2 Halted 0 ms 0 KB -