oj.uz

Submission #419399

# Submission time Handle Problem Language Result Execution time Memory
419399 2021-06-07T04:58:44 Z cpp219 Money (IZhO17_money) C++14
45 / 100
 1500 ms 61840 KB 
#pragma GCC optimization "O2"
#pragma GCC optimization "unroll-loop"
#pragma GCC target ("avx2")

#include <bits/stdc++.h>
#define ll int
#define ld long double
#define fs first
#define sc second
using namespace std;
const ll N = 1e6 + 9;
const ll inf = 1e9 + 7;
typedef pair<ll,ll> LL;
set<ll> s;
ll n,a[N],L = inf,R,ans = 1;

bool chk(ll l,ll r){
    assert(l <= r);
    ll p = *s.upper_bound(l),q = *prev(s.lower_bound(r));
    return (q < p);
}

ll Travel(ll now){
    ll kq = now;
    ll l = a[now],r = a[now];
    for (ll i = now + 1;i <= n;i++){
        l = min(l,a[i]); r = max(r,a[i]);
        if (!chk(l,r) || a[i] < a[i - 1]) break; kq = i;
    }

    return kq;
}

vector<ll> v;

ll Find(ll x){
    return lower_bound(v.begin(),v.end(),x) - v.begin() + 1;
}

void compress(){
    sort(v.begin(),v.end()); v.resize(unique(v.begin(),v.end()) - v.begin());
    for (ll i = 1;i <= n;i++) a[i] = Find(a[i]);
}

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    #define task "test"
    if (fopen(task".inp", "r")){
        freopen(task".inp", "r", stdin);
        freopen(task".out", "w", stdout);
    }
    cin>>n; s.insert(0); s.insert(inf);
    for (ll i = 1;i <= n;i++) cin>>a[i],v.push_back(a[i]); compress();
    for (ll i = 1;i <= n;){
        ll nxt = Travel(i); //cout<<nxt<<"x\n"; //return 0;
        for (ll j = i;j <= nxt;j++) s.insert(a[j]);
        ans++;
        i = nxt + 1;
    }
    cout<<ans - 1;
}

Compilation message

money.cpp:1: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    1 | #pragma GCC optimization "O2"
      | 
money.cpp:2: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    2 | #pragma GCC optimization "unroll-loop"
      | 
money.cpp: In function 'int Travel(int)':
money.cpp:28:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   28 |         if (!chk(l,r) || a[i] < a[i - 1]) break; kq = i;
      |         ^~
money.cpp:28:50: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   28 |         if (!chk(l,r) || a[i] < a[i - 1]) break; kq = i;
      |                                                  ^~
money.cpp: In function 'int main()':
money.cpp:54:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   54 |     for (ll i = 1;i <= n;i++) cin>>a[i],v.push_back(a[i]); compress();
      |     ^~~
money.cpp:54:60: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   54 |     for (ll i = 1;i <= n;i++) cin>>a[i],v.push_back(a[i]); compress();
      |                                                            ^~~~~~~~
money.cpp:50:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |         freopen(task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
money.cpp:51:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |         freopen(task".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 324 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 324 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 328 KB Output is correct
34 Correct 1 ms 320 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 324 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 328 KB Output is correct
34 Correct 1 ms 320 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 101 ms 7368 KB Output is correct
40 Correct 184 ms 11936 KB Output is correct
41 Correct 77 ms 6044 KB Output is correct
42 Correct 83 ms 5552 KB Output is correct
43 Correct 63 ms 3940 KB Output is correct
44 Correct 239 ms 15044 KB Output is correct
45 Correct 210 ms 14852 KB Output is correct
46 Correct 219 ms 15004 KB Output is correct
47 Correct 180 ms 15068 KB Output is correct
48 Correct 187 ms 15016 KB Output is correct
49 Correct 776 ms 33420 KB Output is correct
50 Correct 794 ms 33536 KB Output is correct
51 Correct 709 ms 33332 KB Output is correct
52 Correct 820 ms 33456 KB Output is correct
53 Correct 736 ms 33532 KB Output is correct
54 Correct 756 ms 33244 KB Output is correct
55 Execution timed out 1528 ms 61840 KB Time limit exceeded
56 Halted 0 ms 0 KB -