oj.uz

Submission #1092211

# Submission time Handle Problem Language Result Execution time Memory
1092211 2024-09-23T14:57:13 Z anhthi Treatment Project (JOI20_treatment) C++11
100 / 100
 319 ms 54472 KB 
#include <bits/stdc++.h>

using namespace std;

#define fi first
#define se second
#define ll long long
#define mp(x, y) make_pair(x, y)
#define sz(v) ((int) (v).size())
#define all(v) (v).begin(), (v).end()
#define MASK(i) (1LL << (i))
#define BIT(x, y) (((x) >> (y)) & 1)
#define pb push_back
#define max_rng *max_element
#define min_rng *min_element
#define rep(i, n) for(int i = 1, _n = (n); i <= _n; ++i)
#define forn(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)

template <class X, class Y>
    inline bool maximize(X &x, Y y) {
        return (x < y ? x = y, true : false);
    }

template <class X, class Y>
    inline bool minimize(X &x, Y y) {
        return (x > y ? x = y, true : false);
    }

template <class X>
    inline void compress(vector<X> &a) {
        sort(all(a));
        a.resize(unique(all(a)) - a.begin());
    }

int ctz(ll x) { return __builtin_ctzll(x); }
int lg(ll x) { return 63 - __builtin_clzll(x); }
int popcount(ll x) { return __builtin_popcount(x); }

mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
ll rand(ll l, ll r) {
    return l + abs((ll) rng()) % (r - l + 1);
}

const ll oo = (ll) 1e17;
const int inf = (ll) 2e9 + 7, mod = (ll) 1e9 + 7;

const int mxn = 1e5 + 5;

void add(int &x, int y) { x += y; if (x >= mod) x -= mod; }
void sub(int &x, int y) { x -= y; if (x < 0) x += mod; }

int n, m;

struct Treat {
    ll t, l, r, c;
    void input() {
        cin >> t >> l >> r >> c;
    }
} treat[mxn];

ll pos[mxn];
ll f[mxn];

bool visited[mxn];
priority_queue<pair<ll, ll>> mn1[mxn], mn2[mxn];

int main(void) {

    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    #define TASK "task"
    if (fopen(TASK".inp", "r")) {
        freopen(TASK".inp", "r", stdin);
        freopen(TASK".out", "w", stdout);
    }

    cin >> n >> m;
    rep(i, m) treat[i].input();

    vector<ll> cps;
    rep(i, m) cps.pb(treat[i].t);

    compress(cps);
    int len = sz(cps);

    rep(i, m) {
        pos[i] = lower_bound(all(cps), treat[i].t) - cps.begin() + 1;
        for (int p = pos[i]; p <= len; p += p & -p) {
            mn1[p].push(mp(-(treat[i].l - treat[i].t), i));
        }
        for (int p = pos[i]; p > 0; p -= p & -p) {
            mn2[p].push(mp(-(treat[i].l + treat[i].t), i));
        }
    }

    memset(f, 0x3f, sizeof f);
    priority_queue<pair<ll, ll>> pq;
    forn(i, 1, m) if (treat[i].l == 1) {
        pq.push({-treat[i].c, i});
    }

    while (!pq.empty()) {
        pair<ll, ll> top = pq.top(); pq.pop();
        int u = top.se; ll dist = -top.fi;

        if (treat[u].r == n) {
            cout << dist << '\n';
            exit(0);
        }

        for (int p = pos[u]; p > 0; p -= p & -p) {
            while (!mn1[p].empty()) {
                pair<ll, ll> top = mn1[p].top();
                if (visited[top.se]) {
                    mn1[p].pop();
                    continue;
                }
                if (-top.fi > treat[u].r - treat[u].t + 1) break;
                mn1[p].pop();
                visited[top.se] = true;
                pq.push(mp(-(dist + treat[top.se].c), top.se));

            }
        }
        for (int p = pos[u]; p <= len; p += p & -p) {
            while (!mn2[p].empty()) {
                pair<ll, ll> top = mn2[p].top();
                if (visited[top.se]) {
                    mn2[p].pop();
                    continue;
                }
                if (-top.fi > treat[u].r + treat[u].t + 1) break;
                mn2[p].pop();
                visited[top.se] = true;
                pq.push(mp(-(dist + treat[top.se].c), top.se));

            }
        }
    }

    cout << -1 << '\n';

    return 0;
}

Compilation message

treatment.cpp: In function 'int main()':
treatment.cpp:75:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   75 |         freopen(TASK".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
treatment.cpp:76:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   76 |         freopen(TASK".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 18664 KB Output is correct
2 Correct 46 ms 18656 KB Output is correct
3 Correct 71 ms 19444 KB Output is correct
4 Correct 65 ms 19452 KB Output is correct
5 Correct 60 ms 21596 KB Output is correct
6 Correct 65 ms 18664 KB Output is correct
7 Correct 61 ms 18708 KB Output is correct
8 Correct 36 ms 18412 KB Output is correct
9 Correct 34 ms 18676 KB Output is correct
10 Correct 40 ms 18416 KB Output is correct
11 Correct 57 ms 21488 KB Output is correct
12 Correct 61 ms 21524 KB Output is correct
13 Correct 64 ms 21488 KB Output is correct
14 Correct 65 ms 21488 KB Output is correct
15 Correct 66 ms 18672 KB Output is correct
16 Correct 66 ms 18640 KB Output is correct
17 Correct 61 ms 17912 KB Output is correct
18 Correct 61 ms 20720 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7516 KB Output is correct
2 Correct 3 ms 7516 KB Output is correct
3 Correct 3 ms 7516 KB Output is correct
4 Correct 4 ms 7512 KB Output is correct
5 Correct 3 ms 7516 KB Output is correct
6 Correct 3 ms 7516 KB Output is correct
7 Correct 3 ms 7516 KB Output is correct
8 Correct 3 ms 7424 KB Output is correct
9 Correct 3 ms 7516 KB Output is correct
10 Correct 3 ms 7516 KB Output is correct
11 Correct 3 ms 7516 KB Output is correct
12 Correct 3 ms 7516 KB Output is correct
13 Correct 3 ms 7516 KB Output is correct
14 Correct 3 ms 7516 KB Output is correct
15 Correct 3 ms 7404 KB Output is correct
16 Correct 4 ms 7516 KB Output is correct
17 Correct 3 ms 7516 KB Output is correct
18 Correct 3 ms 7516 KB Output is correct
19 Correct 3 ms 7516 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7516 KB Output is correct
2 Correct 3 ms 7516 KB Output is correct
3 Correct 3 ms 7516 KB Output is correct
4 Correct 4 ms 7512 KB Output is correct
5 Correct 3 ms 7516 KB Output is correct
6 Correct 3 ms 7516 KB Output is correct
7 Correct 3 ms 7516 KB Output is correct
8 Correct 3 ms 7424 KB Output is correct
9 Correct 3 ms 7516 KB Output is correct
10 Correct 3 ms 7516 KB Output is correct
11 Correct 3 ms 7516 KB Output is correct
12 Correct 3 ms 7516 KB Output is correct
13 Correct 3 ms 7516 KB Output is correct
14 Correct 3 ms 7516 KB Output is correct
15 Correct 3 ms 7404 KB Output is correct
16 Correct 4 ms 7516 KB Output is correct
17 Correct 3 ms 7516 KB Output is correct
18 Correct 3 ms 7516 KB Output is correct
19 Correct 3 ms 7516 KB Output is correct
20 Correct 10 ms 8796 KB Output is correct
21 Correct 10 ms 8972 KB Output is correct
22 Correct 9 ms 9052 KB Output is correct
23 Correct 7 ms 9016 KB Output is correct
24 Correct 10 ms 9308 KB Output is correct
25 Correct 10 ms 9052 KB Output is correct
26 Correct 11 ms 9160 KB Output is correct
27 Correct 10 ms 9308 KB Output is correct
28 Correct 10 ms 9308 KB Output is correct
29 Correct 10 ms 9052 KB Output is correct
30 Correct 7 ms 9052 KB Output is correct
31 Correct 8 ms 9308 KB Output is correct
32 Correct 9 ms 9052 KB Output is correct
33 Correct 9 ms 9308 KB Output is correct
34 Correct 11 ms 9076 KB Output is correct
35 Correct 8 ms 9052 KB Output is correct
36 Correct 9 ms 9424 KB Output is correct
37 Correct 11 ms 9048 KB Output is correct

Subtask #4
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 18664 KB Output is correct
2 Correct 46 ms 18656 KB Output is correct
3 Correct 71 ms 19444 KB Output is correct
4 Correct 65 ms 19452 KB Output is correct
5 Correct 60 ms 21596 KB Output is correct
6 Correct 65 ms 18664 KB Output is correct
7 Correct 61 ms 18708 KB Output is correct
8 Correct 36 ms 18412 KB Output is correct
9 Correct 34 ms 18676 KB Output is correct
10 Correct 40 ms 18416 KB Output is correct
11 Correct 57 ms 21488 KB Output is correct
12 Correct 61 ms 21524 KB Output is correct
13 Correct 64 ms 21488 KB Output is correct
14 Correct 65 ms 21488 KB Output is correct
15 Correct 66 ms 18672 KB Output is correct
16 Correct 66 ms 18640 KB Output is correct
17 Correct 61 ms 17912 KB Output is correct
18 Correct 61 ms 20720 KB Output is correct
19 Correct 3 ms 7516 KB Output is correct
20 Correct 3 ms 7516 KB Output is correct
21 Correct 3 ms 7516 KB Output is correct
22 Correct 4 ms 7512 KB Output is correct
23 Correct 3 ms 7516 KB Output is correct
24 Correct 3 ms 7516 KB Output is correct
25 Correct 3 ms 7516 KB Output is correct
26 Correct 3 ms 7424 KB Output is correct
27 Correct 3 ms 7516 KB Output is correct
28 Correct 3 ms 7516 KB Output is correct
29 Correct 3 ms 7516 KB Output is correct
30 Correct 3 ms 7516 KB Output is correct
31 Correct 3 ms 7516 KB Output is correct
32 Correct 3 ms 7516 KB Output is correct
33 Correct 3 ms 7404 KB Output is correct
34 Correct 4 ms 7516 KB Output is correct
35 Correct 3 ms 7516 KB Output is correct
36 Correct 3 ms 7516 KB Output is correct
37 Correct 3 ms 7516 KB Output is correct
38 Correct 10 ms 8796 KB Output is correct
39 Correct 10 ms 8972 KB Output is correct
40 Correct 9 ms 9052 KB Output is correct
41 Correct 7 ms 9016 KB Output is correct
42 Correct 10 ms 9308 KB Output is correct
43 Correct 10 ms 9052 KB Output is correct
44 Correct 11 ms 9160 KB Output is correct
45 Correct 10 ms 9308 KB Output is correct
46 Correct 10 ms 9308 KB Output is correct
47 Correct 10 ms 9052 KB Output is correct
48 Correct 7 ms 9052 KB Output is correct
49 Correct 8 ms 9308 KB Output is correct
50 Correct 9 ms 9052 KB Output is correct
51 Correct 9 ms 9308 KB Output is correct
52 Correct 11 ms 9076 KB Output is correct
53 Correct 8 ms 9052 KB Output is correct
54 Correct 9 ms 9424 KB Output is correct
55 Correct 11 ms 9048 KB Output is correct
56 Correct 214 ms 43728 KB Output is correct
57 Correct 227 ms 43976 KB Output is correct
58 Correct 242 ms 41736 KB Output is correct
59 Correct 223 ms 42192 KB Output is correct
60 Correct 171 ms 46536 KB Output is correct
61 Correct 226 ms 41820 KB Output is correct
62 Correct 221 ms 43496 KB Output is correct
63 Correct 216 ms 45384 KB Output is correct
64 Correct 196 ms 45260 KB Output is correct
65 Correct 69 ms 20424 KB Output is correct
66 Correct 129 ms 46024 KB Output is correct
67 Correct 245 ms 49344 KB Output is correct
68 Correct 212 ms 52156 KB Output is correct
69 Correct 204 ms 54472 KB Output is correct
70 Correct 300 ms 46792 KB Output is correct
71 Correct 229 ms 48328 KB Output is correct
72 Correct 203 ms 51372 KB Output is correct
73 Correct 266 ms 47656 KB Output is correct
74 Correct 103 ms 48692 KB Output is correct
75 Correct 100 ms 51112 KB Output is correct
76 Correct 164 ms 50168 KB Output is correct
77 Correct 159 ms 49608 KB Output is correct
78 Correct 253 ms 49996 KB Output is correct
79 Correct 312 ms 47816 KB Output is correct
80 Correct 311 ms 47764 KB Output is correct
81 Correct 146 ms 48460 KB Output is correct
82 Correct 290 ms 47112 KB Output is correct
83 Correct 314 ms 52932 KB Output is correct
84 Correct 310 ms 47816 KB Output is correct
85 Correct 233 ms 48440 KB Output is correct
86 Correct 240 ms 49100 KB Output is correct
87 Correct 266 ms 49608 KB Output is correct
88 Correct 282 ms 53448 KB Output is correct
89 Correct 255 ms 49860 KB Output is correct
90 Correct 187 ms 52424 KB Output is correct
91 Correct 139 ms 47656 KB Output is correct
92 Correct 235 ms 48688 KB Output is correct
93 Correct 275 ms 48224 KB Output is correct
94 Correct 319 ms 52400 KB Output is correct
95 Correct 262 ms 47884 KB Output is correct
96 Correct 154 ms 48580 KB Output is correct
97 Correct 181 ms 50632 KB Output is correct
98 Correct 190 ms 50380 KB Output is correct
99 Correct 168 ms 51144 KB Output is correct
100 Correct 212 ms 51832 KB Output is correct
101 Correct 229 ms 50120 KB Output is correct
102 Correct 175 ms 50116 KB Output is correct
103 Correct 196 ms 48404 KB Output is correct