oj.uz

Submission #928418

# Submission time Handle Problem Language Result Execution time Memory
928418 2024-02-16T10:56:42 Z cpptowin None (JOI16_matryoshka) C++17
100 / 100
 127 ms 23888 KB 
#include<bits/stdc++.h>
#define fo(i,d,c) for(int i=d;i<=c;i++)
#define fod(i,c,d) for(int i=c;i>=d;i--)
#define maxn 1000010
#define N 1010
#define fi first
#define se second
#define pb emplace_back
#define en cout<<"\n";
#define int long long
#define inf (int)1e18
#define pii pair<int,int>
#define vii vector<pii>
#define lb(x) x&-x
#define bit(i,j) ((i>>j)&1)
#define offbit(i,j) (i^(1<<j))
#define onbit(i,j) (i|(1<<j))
#define vi vector<int>
template <typename T1, typename T2> bool minimize(T1 &a, T2 b){if (a > b) {a = b; return true;} return false;}
template <typename T1, typename T2> bool maximize(T1 &a, T2 b){if (a < b) {a = b; return true;} return false;}
using namespace std;
const int nsqrt = 450;
const int mod = 1e9 + 7;
int n,q;
pii a[maxn];
array<int,3> qry[maxn];
vi v;
int ans[maxn];
main()
{
    #define name "TASK"
    if(fopen(name".inp","r"))
    {
       freopen(name".inp","r",stdin);
       freopen(name".out","w",stdout);
    }
    ios_base::sync_with_stdio(false);cin.tie(NULL);
    cin >> n >> q;
    fo(i,1,n)
    {
        cin >> a[i].fi >> a[i].se;
    }
    fo(i,1,q)
    {
        cin >> qry[i][0] >> qry[i][1];
        qry[i][2] = i;
    }
    sort(qry + 1,qry + q + 1,greater<array<int,3>>());
    sort(a + 1,a + n + 1,[](pii a,pii b)
         {
             return a.fi > b.fi or (a.fi == b.fi and a.se < b.se);
         });
    int j = 0;
    fo(i,1,q)
    {
        while(qry[i][0] <= a[j + 1].fi and j < n)
        {
            j++;
            int lb = upper_bound(v.begin(),v.end(),a[j].se) - v.begin();
            if(lb < v.size()) v[lb] = a[j].se;
            else v.pb(a[j].se);
        }
        ans[qry[i][2]] = upper_bound(v.begin(),v.end(),qry[i][1]) - v.begin();
    }
    fo(i,1,q) cout << ans[i] << "\n";
}

Compilation message

matryoshka.cpp:29:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   29 | main()
      | ^~~~
matryoshka.cpp: In function 'int main()':
matryoshka.cpp:60:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   60 |             if(lb < v.size()) v[lb] = a[j].se;
      |                ~~~^~~~~~~~~~
matryoshka.cpp:34:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |        freopen(name".inp","r",stdin);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
matryoshka.cpp:35:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |        freopen(name".out","w",stdout);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4696 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4696 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4696 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4696 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4528 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4528 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4696 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4696 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4528 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4528 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4440 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 2 ms 4444 KB Output is correct
24 Correct 2 ms 4444 KB Output is correct
25 Correct 2 ms 4544 KB Output is correct
26 Correct 2 ms 4440 KB Output is correct
27 Correct 2 ms 4444 KB Output is correct
28 Correct 2 ms 4444 KB Output is correct
29 Correct 2 ms 4572 KB Output is correct
30 Correct 2 ms 4444 KB Output is correct
31 Correct 2 ms 4444 KB Output is correct
32 Correct 2 ms 4444 KB Output is correct
33 Correct 2 ms 4444 KB Output is correct
34 Correct 2 ms 4444 KB Output is correct
35 Correct 2 ms 4444 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4696 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4696 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4528 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4528 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4440 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 2 ms 4444 KB Output is correct
24 Correct 2 ms 4444 KB Output is correct
25 Correct 2 ms 4544 KB Output is correct
26 Correct 2 ms 4440 KB Output is correct
27 Correct 2 ms 4444 KB Output is correct
28 Correct 2 ms 4444 KB Output is correct
29 Correct 2 ms 4572 KB Output is correct
30 Correct 2 ms 4444 KB Output is correct
31 Correct 2 ms 4444 KB Output is correct
32 Correct 2 ms 4444 KB Output is correct
33 Correct 2 ms 4444 KB Output is correct
34 Correct 2 ms 4444 KB Output is correct
35 Correct 2 ms 4444 KB Output is correct
36 Correct 121 ms 20680 KB Output is correct
37 Correct 110 ms 20048 KB Output is correct
38 Correct 39 ms 11324 KB Output is correct
39 Correct 94 ms 18504 KB Output is correct
40 Correct 104 ms 19412 KB Output is correct
41 Correct 110 ms 20048 KB Output is correct
42 Correct 89 ms 18132 KB Output is correct
43 Correct 59 ms 19656 KB Output is correct
44 Correct 124 ms 23380 KB Output is correct
45 Correct 125 ms 23888 KB Output is correct
46 Correct 127 ms 23376 KB Output is correct
47 Correct 113 ms 23016 KB Output is correct
48 Correct 124 ms 23800 KB Output is correct
49 Correct 118 ms 23100 KB Output is correct
50 Correct 120 ms 23824 KB Output is correct