oj.uz

Submission #854550

# Submission time Handle Problem Language Result Execution time Memory
854550 2023-09-28T02:23:38 Z fanwen Treatment Project (JOI20_treatment) C++17
100 / 100
 188 ms 30564 KB 
#include <bits/stdc++.h>

using namespace std;

#define MASK(x) (1LL << (x))
#define BIT(x, i) (((x) >> (i)) & 1)
#define ALL(x) (x).begin(), (x).end()
#define REP(i, n) for (int i = 0, _n = n; i < _n; ++i)
#define FOR(i, a, b) for (int i = (a), _b = (b); i <= _b; ++i)
#define FORD(i, a, b) for (int i = (a), _b = (b); i >= _b; --i)
#define FORE(i, a, b) for (int i = (a), _b = (b); i < _b; ++i)
#define debug(...) "[" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "
#define file(name) if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }

template <class A, class B> bool minimize(A &a, B b)  { if (a > b) { a = b; return true; } return false; }
template <class A, class B> bool maximize(A &a, B b)  { if (a < b) { a = b; return true; } return false; }

const int MAXN = 1e5 + 5;

struct Data {
    int T, L, R, C;
} a[MAXN];

int N, M, dd[MAXN];
vector <int> cp;
long long dp[MAXN];

priority_queue <pair <long long, int>, vector <pair <long long, int>>, greater <pair <long long, int>>> pq, q[MAXN];
vector <int> ver;

void update(int u, int val, int id) {
    for (int v = u; v <= (int) cp.size(); v += v & -v) {
        q[v].emplace(val, id);
    }
}

void get(int u, int t) {
    for (; u > 0; u -= u & -u) {
        while(!q[u].empty() && q[u].top().first <= t) {
            ver.emplace_back(q[u].top().second); q[u].pop();
        }
    }
}

void you_make_it(void) {
    cin >> N >> M;
    FOR(i, 1, M) {
        cin >> a[i].T >> a[i].L >> a[i].R >> a[i].C;
        cp.emplace_back(a[i].L - a[i].T);
    }
    sort(cp.begin(), cp.end()); cp.erase(unique(cp.begin(), cp.end()), cp.end());
    memset(dp, 0x3f, sizeof dp);
    FOR(i, 1, M) {
        update(lower_bound(cp.begin(), cp.end(), a[i].L - a[i].T) - cp.begin() + 1, a[i].L + a[i].T, i);
    }
    FOR(i, 1, M) {
        if(a[i].L == 1) {
            dp[i] = a[i].C;
            dd[i] = 1;
            pq.emplace(dp[i], i);
        }
    }
    long long ans = 1E18;
    while(!pq.empty()) {
        auto [du, u] = pq.top(); pq.pop();
        if(du != dp[u]) continue;
        if(a[u].R == N) {
            minimize(ans, du);
            continue;
        }
        ver.clear();
        get(upper_bound(cp.begin(), cp.end(), a[u].R - a[u].T + 1) - cp.begin(), a[u].R + a[u].T + 1);

        for (auto i : ver) {
            if(!dd[i] && minimize(dp[i], dp[u] + a[i].C)) {
                pq.emplace(dp[i], i);
                dd[i] = 1;
            }
        }
    }
    // FOR(i, 1, M) cout << dp[i] << " \n"[i == M];
    cout << (ans >= 1E18 ? -1 : ans);
}
signed main() {

#ifdef LOCAL
    freopen("TASK.inp", "r", stdin);
    freopen("TASK.out", "w", stdout);
#endif
    file("treatment");
    auto start_time = chrono::steady_clock::now();

    cin.tie(0), cout.tie(0) -> sync_with_stdio(0);

    you_make_it();

    auto end_time = chrono::steady_clock::now();

    cerr << "\nExecution time : " << chrono::duration_cast <chrono::milliseconds> (end_time - start_time).count() << "[ms]" << endl;

    return (0 ^ 0);
}

// Dream it. Wish it. Do it.

Compilation message

treatment.cpp: In function 'int main()':
treatment.cpp:13:57: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 | #define file(name) if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
      |                                                  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
treatment.cpp:90:5: note: in expansion of macro 'file'
   90 |     file("treatment");
      |     ^~~~
treatment.cpp:13:90: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 | #define file(name) if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
      |                                                                                   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
treatment.cpp:90:5: note: in expansion of macro 'file'
   90 |     file("treatment");
      |     ^~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 22356 KB Output is correct
2 Correct 110 ms 25412 KB Output is correct
3 Correct 159 ms 29464 KB Output is correct
4 Correct 149 ms 28488 KB Output is correct
5 Correct 87 ms 18892 KB Output is correct
6 Correct 97 ms 19668 KB Output is correct
7 Correct 109 ms 26112 KB Output is correct
8 Correct 38 ms 15820 KB Output is correct
9 Correct 46 ms 18884 KB Output is correct
10 Correct 53 ms 25032 KB Output is correct
11 Correct 161 ms 29636 KB Output is correct
12 Correct 172 ms 29484 KB Output is correct
13 Correct 170 ms 28868 KB Output is correct
14 Correct 174 ms 29000 KB Output is correct
15 Correct 158 ms 27228 KB Output is correct
16 Correct 156 ms 26432 KB Output is correct
17 Correct 158 ms 26428 KB Output is correct
18 Correct 172 ms 29136 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4700 KB Output is correct
2 Correct 1 ms 4700 KB Output is correct
3 Correct 1 ms 4700 KB Output is correct
4 Correct 1 ms 4700 KB Output is correct
5 Correct 1 ms 4700 KB Output is correct
6 Correct 1 ms 4700 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 1 ms 4696 KB Output is correct
9 Correct 2 ms 4700 KB Output is correct
10 Correct 1 ms 4700 KB Output is correct
11 Correct 1 ms 4700 KB Output is correct
12 Correct 1 ms 4700 KB Output is correct
13 Correct 1 ms 4696 KB Output is correct
14 Correct 1 ms 4700 KB Output is correct
15 Correct 1 ms 4744 KB Output is correct
16 Correct 1 ms 4700 KB Output is correct
17 Correct 1 ms 4700 KB Output is correct
18 Correct 2 ms 4532 KB Output is correct
19 Correct 1 ms 4700 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4700 KB Output is correct
2 Correct 1 ms 4700 KB Output is correct
3 Correct 1 ms 4700 KB Output is correct
4 Correct 1 ms 4700 KB Output is correct
5 Correct 1 ms 4700 KB Output is correct
6 Correct 1 ms 4700 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 1 ms 4696 KB Output is correct
9 Correct 2 ms 4700 KB Output is correct
10 Correct 1 ms 4700 KB Output is correct
11 Correct 1 ms 4700 KB Output is correct
12 Correct 1 ms 4700 KB Output is correct
13 Correct 1 ms 4696 KB Output is correct
14 Correct 1 ms 4700 KB Output is correct
15 Correct 1 ms 4744 KB Output is correct
16 Correct 1 ms 4700 KB Output is correct
17 Correct 1 ms 4700 KB Output is correct
18 Correct 2 ms 4532 KB Output is correct
19 Correct 1 ms 4700 KB Output is correct
20 Correct 6 ms 5468 KB Output is correct
21 Correct 6 ms 5724 KB Output is correct
22 Correct 6 ms 5464 KB Output is correct
23 Correct 5 ms 5520 KB Output is correct
24 Correct 7 ms 5724 KB Output is correct
25 Correct 7 ms 5652 KB Output is correct
26 Correct 6 ms 5468 KB Output is correct
27 Correct 5 ms 5468 KB Output is correct
28 Correct 7 ms 5768 KB Output is correct
29 Correct 7 ms 5468 KB Output is correct
30 Correct 4 ms 5524 KB Output is correct
31 Correct 4 ms 5468 KB Output is correct
32 Correct 7 ms 5888 KB Output is correct
33 Correct 6 ms 5728 KB Output is correct
34 Correct 6 ms 5656 KB Output is correct
35 Correct 6 ms 5724 KB Output is correct
36 Correct 6 ms 5720 KB Output is correct
37 Correct 6 ms 5468 KB Output is correct

Subtask #4
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 22356 KB Output is correct
2 Correct 110 ms 25412 KB Output is correct
3 Correct 159 ms 29464 KB Output is correct
4 Correct 149 ms 28488 KB Output is correct
5 Correct 87 ms 18892 KB Output is correct
6 Correct 97 ms 19668 KB Output is correct
7 Correct 109 ms 26112 KB Output is correct
8 Correct 38 ms 15820 KB Output is correct
9 Correct 46 ms 18884 KB Output is correct
10 Correct 53 ms 25032 KB Output is correct
11 Correct 161 ms 29636 KB Output is correct
12 Correct 172 ms 29484 KB Output is correct
13 Correct 170 ms 28868 KB Output is correct
14 Correct 174 ms 29000 KB Output is correct
15 Correct 158 ms 27228 KB Output is correct
16 Correct 156 ms 26432 KB Output is correct
17 Correct 158 ms 26428 KB Output is correct
18 Correct 172 ms 29136 KB Output is correct
19 Correct 1 ms 4700 KB Output is correct
20 Correct 1 ms 4700 KB Output is correct
21 Correct 1 ms 4700 KB Output is correct
22 Correct 1 ms 4700 KB Output is correct
23 Correct 1 ms 4700 KB Output is correct
24 Correct 1 ms 4700 KB Output is correct
25 Correct 1 ms 4700 KB Output is correct
26 Correct 1 ms 4696 KB Output is correct
27 Correct 2 ms 4700 KB Output is correct
28 Correct 1 ms 4700 KB Output is correct
29 Correct 1 ms 4700 KB Output is correct
30 Correct 1 ms 4700 KB Output is correct
31 Correct 1 ms 4696 KB Output is correct
32 Correct 1 ms 4700 KB Output is correct
33 Correct 1 ms 4744 KB Output is correct
34 Correct 1 ms 4700 KB Output is correct
35 Correct 1 ms 4700 KB Output is correct
36 Correct 2 ms 4532 KB Output is correct
37 Correct 1 ms 4700 KB Output is correct
38 Correct 6 ms 5468 KB Output is correct
39 Correct 6 ms 5724 KB Output is correct
40 Correct 6 ms 5464 KB Output is correct
41 Correct 5 ms 5520 KB Output is correct
42 Correct 7 ms 5724 KB Output is correct
43 Correct 7 ms 5652 KB Output is correct
44 Correct 6 ms 5468 KB Output is correct
45 Correct 5 ms 5468 KB Output is correct
46 Correct 7 ms 5768 KB Output is correct
47 Correct 7 ms 5468 KB Output is correct
48 Correct 4 ms 5524 KB Output is correct
49 Correct 4 ms 5468 KB Output is correct
50 Correct 7 ms 5888 KB Output is correct
51 Correct 6 ms 5728 KB Output is correct
52 Correct 6 ms 5656 KB Output is correct
53 Correct 6 ms 5724 KB Output is correct
54 Correct 6 ms 5720 KB Output is correct
55 Correct 6 ms 5468 KB Output is correct
56 Correct 174 ms 27488 KB Output is correct
57 Correct 136 ms 26924 KB Output is correct
58 Correct 139 ms 26824 KB Output is correct
59 Correct 151 ms 27600 KB Output is correct
60 Correct 126 ms 25260 KB Output is correct
61 Correct 137 ms 26792 KB Output is correct
62 Correct 168 ms 27532 KB Output is correct
63 Correct 114 ms 25300 KB Output is correct
64 Correct 106 ms 25048 KB Output is correct
65 Correct 147 ms 25808 KB Output is correct
66 Correct 115 ms 25292 KB Output is correct
67 Correct 178 ms 27928 KB Output is correct
68 Correct 156 ms 27592 KB Output is correct
69 Correct 132 ms 26944 KB Output is correct
70 Correct 185 ms 28368 KB Output is correct
71 Correct 158 ms 27016 KB Output is correct
72 Correct 130 ms 27344 KB Output is correct
73 Correct 171 ms 26064 KB Output is correct
74 Correct 76 ms 27088 KB Output is correct
75 Correct 65 ms 26352 KB Output is correct
76 Correct 175 ms 30252 KB Output is correct
77 Correct 166 ms 29512 KB Output is correct
78 Correct 176 ms 28872 KB Output is correct
79 Correct 180 ms 27592 KB Output is correct
80 Correct 161 ms 26412 KB Output is correct
81 Correct 89 ms 25876 KB Output is correct
82 Correct 160 ms 26640 KB Output is correct
83 Correct 163 ms 26828 KB Output is correct
84 Correct 188 ms 26620 KB Output is correct
85 Correct 146 ms 27592 KB Output is correct
86 Correct 141 ms 27348 KB Output is correct
87 Correct 169 ms 27352 KB Output is correct
88 Correct 160 ms 29960 KB Output is correct
89 Correct 141 ms 27596 KB Output is correct
90 Correct 178 ms 29756 KB Output is correct
91 Correct 144 ms 27048 KB Output is correct
92 Correct 146 ms 28464 KB Output is correct
93 Correct 181 ms 27152 KB Output is correct
94 Correct 166 ms 27644 KB Output is correct
95 Correct 156 ms 27732 KB Output is correct
96 Correct 175 ms 29688 KB Output is correct
97 Correct 170 ms 29900 KB Output is correct
98 Correct 175 ms 30564 KB Output is correct
99 Correct 175 ms 29640 KB Output is correct
100 Correct 145 ms 27084 KB Output is correct
101 Correct 178 ms 30052 KB Output is correct
102 Correct 161 ms 30408 KB Output is correct
103 Correct 129 ms 27936 KB Output is correct