oj.uz

Submission #723799

# Submission time Handle Problem Language Result Execution time Memory
723799 2023-04-14T10:25:47 Z kkts Pinball (JOI14_pinball) C++14
51 / 100
 250 ms 21992 KB 
#include<bits/stdc++.h>
#define f first
#define s second
#define int long long
#define pii pair<int,int>
using namespace std;
const int N = 2e5 + 5, mod = 1e9 + 7; // !
int tl[N], tr[N], M;
int getl(int id) {
    int mn = 1e18;
    for(id; id <= M; id += id & (-id)) mn = min(mn, tl[id]);
    return mn;
}
int getr(int id) {
    int mn = 1e18;
    for(id; id >= 1; id -= id & (-id)) mn = min(mn, tr[id]);
    return mn;
}
void updl(int id, int val) {
    for(id; id >= 1; id -= id & (-id)) tl[id]= min(tl[id], val);
}
void updr(int id, int val) {
    for(id; id <= M; id += id & (-id)) tr[id] = min(tr[id], val);
}
main(){
    int m, n;
    cin >> m >> n;
    vector<int> a(m + 2), b(m + 2), c(m + 2), d(m + 2);
    vector<int> x;
    for(int i = 1; i <= m; i++) {
        cin >> a[i] >> b[i] >> c[i] >> d[i];
        x.push_back(a[i]);
        x.push_back(b[i]);
        x.push_back(c[i]);
    }
    x.push_back(1);
    x.push_back(n);
    sort(x.begin(), x.end());
    x.erase(unique(x.begin(), x.end()), x.end());
    M = x.size();
    for(int i = 1; i <= M; i++) tl[i] = tr[i] = 1e18;
    int ans = 1e18;
    updl(1, 0);
    updr(x.size(), 0);
    for(int i = 1; i <= m; i++) {
        a[i] = lower_bound(x.begin(), x.end(), a[i]) - x.begin() + 1;
        b[i] = lower_bound(x.begin(), x.end(), b[i]) - x.begin() + 1;
        c[i] = lower_bound(x.begin(), x.end(), c[i]) - x.begin() + 1;

        int L = getl(a[i]), R = getr(b[i]);
        ans = min(ans, L + R + d[i]);
        updl(c[i], L + d[i]);
        updr(c[i], R + d[i]);
    }
    cout << (ans == 1e18 ? -1 : ans);
 }

Compilation message

pinball.cpp: In function 'long long int getl(long long int)':
pinball.cpp:11:9: warning: statement has no effect [-Wunused-value]
   11 |     for(id; id <= M; id += id & (-id)) mn = min(mn, tl[id]);
      |         ^~
pinball.cpp: In function 'long long int getr(long long int)':
pinball.cpp:16:9: warning: statement has no effect [-Wunused-value]
   16 |     for(id; id >= 1; id -= id & (-id)) mn = min(mn, tr[id]);
      |         ^~
pinball.cpp: In function 'void updl(long long int, long long int)':
pinball.cpp:20:9: warning: statement has no effect [-Wunused-value]
   20 |     for(id; id >= 1; id -= id & (-id)) tl[id]= min(tl[id], val);
      |         ^~
pinball.cpp: In function 'void updr(long long int, long long int)':
pinball.cpp:23:9: warning: statement has no effect [-Wunused-value]
   23 |     for(id; id <= M; id += id & (-id)) tr[id] = min(tr[id], val);
      |         ^~
pinball.cpp: At global scope:
pinball.cpp:25:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   25 | main(){
      | ^~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 308 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 308 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 2 ms 316 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 308 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 2 ms 316 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 3 ms 340 KB Output is correct
18 Correct 3 ms 340 KB Output is correct
19 Correct 3 ms 468 KB Output is correct
20 Correct 3 ms 448 KB Output is correct
21 Correct 2 ms 404 KB Output is correct
22 Correct 3 ms 468 KB Output is correct
23 Correct 2 ms 468 KB Output is correct
24 Correct 2 ms 396 KB Output is correct

Subtask #4
0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 308 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 2 ms 316 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 3 ms 340 KB Output is correct
18 Correct 3 ms 340 KB Output is correct
19 Correct 3 ms 468 KB Output is correct
20 Correct 3 ms 448 KB Output is correct
21 Correct 2 ms 404 KB Output is correct
22 Correct 3 ms 468 KB Output is correct
23 Correct 2 ms 468 KB Output is correct
24 Correct 2 ms 396 KB Output is correct
25 Correct 18 ms 1424 KB Output is correct
26 Correct 52 ms 3520 KB Output is correct
27 Correct 147 ms 8268 KB Output is correct
28 Correct 250 ms 11248 KB Output is correct
29 Correct 110 ms 6432 KB Output is correct
30 Correct 202 ms 11352 KB Output is correct
31 Correct 234 ms 12424 KB Output is correct
32 Correct 222 ms 11668 KB Output is correct
33 Correct 37 ms 3064 KB Output is correct
34 Correct 126 ms 7372 KB Output is correct
35 Runtime error 169 ms 21992 KB Execution killed with signal 11
36 Halted 0 ms 0 KB -