oj.uz

Submission #1057240

# Submission time Handle Problem Language Result Execution time Memory
1057240 2024-08-13T15:43:12 Z modwwe Fire (BOI24_fire) C++17
48 / 100
 84 ms 37096 KB 
//https://www.instagram.com/_modwwe/
#pragma GCC optimize("Ofast,unroll-loops")
#include<bits/stdc++.h>
#define int long long
#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define NHP     ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe  int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".ans","w",stdout)
#define pb push_back
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
void phongbeo();
const ll inf=1e9;
const int mod2=1e9+7;
const int  mod1=998244353;
struct icd
{
    long double a;
    int b;
};
struct ib
{
    int a;
    int b;
};
struct ic
{
    int a,b,c;
};
struct id
{
    int a,b,c,d;
};
struct ie
{
    int a,b,c,d,e;

};

int n,m,s1,s2,s4,s3,sf,k,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,s33,dem3,l,r,mid;
int  i,s10,s12;
int kk;
int el=29;

main()
{
#ifndef ONLINE_JUDGE
//fin(task),fou(task);
#endif
    NHP
    /// cin>>s1;
    //  modwwe
    phongbeo();
}
ib a[200001];
int b[200001];
int st[18][200001];
vector<int> v;
void phongbeo()
{
    cin>>n>>m;
    for(int i=1; i<=n; i++)
    {
        cin>>a[i].a>>a[i].b,v.pb(a[i].a);
        if(a[i].b<a[i].a) a[i].b+=m,v.pb(a[i].b);
    }
    sort(v.begin(),v.end());
    for(int i=1; i<=n; i++)
        a[i].a=lower_bound(v.begin(),v.end(),a[i].a)-v.begin()+1,
            a[i].b=upper_bound(v.begin(),v.end(),a[i].b)-v.begin(),
                b[a[i].a]=max(a[i].b,b[a[i].a]),
                          s3=max(s3,a[i].b);
    for(int i=1; i<=n; i++)
        b[i]=max(b[i],b[i-1]),
             st[0][i]=b[i];
    for(int i=1; i<18; i++)
        for(int j=1; j<=n; j++)
            if(st[i-1][j]>n)st[i][j]=s3;
            else st[i][j]=st[i-1][st[i-1][j]];
    s6=inf;
    for(int i=1; i<=n; i++)
    {
        if(v[s3-1]-m<v[i-1])break;
        s4=0;
        s5=i;
        for(int j=17; j>=0; --j)
            if(v[st[j][s5]-1]-m<v[i-1])
                s5=st[j][s5],
                s4+=(1<<j);
        if(s5>n)s5=s3;
        else s5=st[0][s5];
        s4++;
        if(v[s5-1]-m>=v[i-1])s6=min(s6,s4);
    }
    if(s6==inf) cout<<-1;
    else
    cout<<s6;
}

Compilation message

Main.cpp:51:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   51 | main()
      | ^~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 29020 KB Output is correct
2 Correct 2 ms 29020 KB Output is correct
3 Correct 2 ms 29020 KB Output is correct
4 Correct 2 ms 29020 KB Output is correct
5 Correct 2 ms 29020 KB Output is correct
6 Correct 2 ms 29020 KB Output is correct
7 Correct 2 ms 29020 KB Output is correct
8 Correct 2 ms 29020 KB Output is correct
9 Correct 2 ms 29020 KB Output is correct
10 Correct 2 ms 29020 KB Output is correct
11 Correct 3 ms 29020 KB Output is correct
12 Correct 2 ms 29020 KB Output is correct
13 Correct 2 ms 29196 KB Output is correct
14 Correct 2 ms 29020 KB Output is correct
15 Correct 2 ms 29016 KB Output is correct
16 Correct 2 ms 29156 KB Output is correct
17 Correct 2 ms 29020 KB Output is correct
18 Correct 2 ms 29020 KB Output is correct
19 Correct 2 ms 29020 KB Output is correct
20 Correct 2 ms 29020 KB Output is correct
21 Correct 2 ms 29020 KB Output is correct
22 Correct 2 ms 29020 KB Output is correct
23 Correct 2 ms 29188 KB Output is correct

Subtask #2
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 29020 KB Output is correct
2 Correct 2 ms 29020 KB Output is correct
3 Correct 2 ms 29020 KB Output is correct
4 Correct 2 ms 29020 KB Output is correct
5 Correct 2 ms 29020 KB Output is correct
6 Correct 2 ms 29020 KB Output is correct
7 Correct 2 ms 29020 KB Output is correct
8 Correct 2 ms 29020 KB Output is correct
9 Correct 2 ms 29020 KB Output is correct
10 Correct 2 ms 29020 KB Output is correct
11 Correct 3 ms 29020 KB Output is correct
12 Correct 2 ms 29020 KB Output is correct
13 Correct 2 ms 29196 KB Output is correct
14 Correct 2 ms 29020 KB Output is correct
15 Correct 2 ms 29016 KB Output is correct
16 Correct 2 ms 29156 KB Output is correct
17 Correct 2 ms 29020 KB Output is correct
18 Correct 2 ms 29020 KB Output is correct
19 Correct 2 ms 29020 KB Output is correct
20 Correct 2 ms 29020 KB Output is correct
21 Correct 2 ms 29020 KB Output is correct
22 Correct 2 ms 29020 KB Output is correct
23 Correct 2 ms 29188 KB Output is correct
24 Correct 2 ms 29016 KB Output is correct
25 Incorrect 2 ms 29020 KB Output isn't correct
26 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 29020 KB Output is correct
2 Correct 2 ms 29020 KB Output is correct
3 Correct 2 ms 29020 KB Output is correct
4 Correct 2 ms 29020 KB Output is correct
5 Correct 2 ms 29020 KB Output is correct
6 Correct 2 ms 29020 KB Output is correct
7 Correct 2 ms 29020 KB Output is correct
8 Correct 2 ms 29020 KB Output is correct
9 Correct 2 ms 29020 KB Output is correct
10 Correct 2 ms 29020 KB Output is correct
11 Correct 3 ms 29020 KB Output is correct
12 Correct 2 ms 29020 KB Output is correct
13 Correct 2 ms 29196 KB Output is correct
14 Correct 2 ms 29020 KB Output is correct
15 Correct 2 ms 29016 KB Output is correct
16 Correct 2 ms 29156 KB Output is correct
17 Correct 2 ms 29020 KB Output is correct
18 Correct 2 ms 29020 KB Output is correct
19 Correct 2 ms 29020 KB Output is correct
20 Correct 2 ms 29020 KB Output is correct
21 Correct 2 ms 29020 KB Output is correct
22 Correct 2 ms 29020 KB Output is correct
23 Correct 2 ms 29188 KB Output is correct
24 Correct 2 ms 29016 KB Output is correct
25 Incorrect 2 ms 29020 KB Output isn't correct
26 Halted 0 ms 0 KB -

Subtask #4
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 29016 KB Output is correct
2 Correct 2 ms 29016 KB Output is correct
3 Correct 2 ms 29020 KB Output is correct
4 Correct 2 ms 29020 KB Output is correct
5 Correct 2 ms 29020 KB Output is correct
6 Correct 2 ms 29020 KB Output is correct
7 Correct 2 ms 29020 KB Output is correct
8 Correct 2 ms 29020 KB Output is correct
9 Correct 2 ms 29016 KB Output is correct
10 Correct 2 ms 29020 KB Output is correct
11 Correct 2 ms 29020 KB Output is correct
12 Correct 2 ms 29020 KB Output is correct
13 Correct 2 ms 29020 KB Output is correct
14 Correct 2 ms 29020 KB Output is correct
15 Correct 4 ms 29276 KB Output is correct
16 Correct 4 ms 29352 KB Output is correct
17 Correct 4 ms 29276 KB Output is correct
18 Correct 4 ms 29276 KB Output is correct
19 Correct 3 ms 29276 KB Output is correct
20 Correct 27 ms 37096 KB Output is correct
21 Correct 73 ms 35004 KB Output is correct
22 Correct 78 ms 35012 KB Output is correct
23 Correct 72 ms 35004 KB Output is correct
24 Correct 82 ms 34760 KB Output is correct
25 Correct 68 ms 35084 KB Output is correct
26 Correct 72 ms 34960 KB Output is correct
27 Correct 71 ms 34800 KB Output is correct
28 Correct 72 ms 35012 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 29020 KB Output is correct
2 Correct 2 ms 29020 KB Output is correct
3 Correct 2 ms 29020 KB Output is correct
4 Correct 2 ms 29020 KB Output is correct
5 Correct 2 ms 29096 KB Output is correct
6 Correct 2 ms 29020 KB Output is correct
7 Correct 2 ms 29020 KB Output is correct
8 Correct 2 ms 29020 KB Output is correct
9 Correct 2 ms 29016 KB Output is correct
10 Correct 2 ms 29020 KB Output is correct
11 Correct 2 ms 29020 KB Output is correct
12 Correct 4 ms 29276 KB Output is correct
13 Correct 3 ms 29276 KB Output is correct
14 Correct 4 ms 29144 KB Output is correct
15 Correct 27 ms 36184 KB Output is correct
16 Correct 70 ms 35016 KB Output is correct
17 Correct 75 ms 35012 KB Output is correct
18 Correct 80 ms 35016 KB Output is correct
19 Correct 72 ms 34808 KB Output is correct
20 Correct 84 ms 35004 KB Output is correct

Subtask #6
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 29020 KB Output is correct
2 Correct 2 ms 29020 KB Output is correct
3 Correct 2 ms 29020 KB Output is correct
4 Correct 2 ms 29020 KB Output is correct
5 Correct 2 ms 29020 KB Output is correct
6 Correct 2 ms 29020 KB Output is correct
7 Correct 2 ms 29020 KB Output is correct
8 Correct 2 ms 29020 KB Output is correct
9 Correct 2 ms 29020 KB Output is correct
10 Correct 2 ms 29020 KB Output is correct
11 Correct 3 ms 29020 KB Output is correct
12 Correct 2 ms 29020 KB Output is correct
13 Correct 2 ms 29196 KB Output is correct
14 Correct 2 ms 29020 KB Output is correct
15 Correct 2 ms 29016 KB Output is correct
16 Correct 2 ms 29156 KB Output is correct
17 Correct 2 ms 29020 KB Output is correct
18 Correct 2 ms 29020 KB Output is correct
19 Correct 2 ms 29020 KB Output is correct
20 Correct 2 ms 29020 KB Output is correct
21 Correct 2 ms 29020 KB Output is correct
22 Correct 2 ms 29020 KB Output is correct
23 Correct 2 ms 29188 KB Output is correct
24 Correct 2 ms 29016 KB Output is correct
25 Incorrect 2 ms 29020 KB Output isn't correct
26 Halted 0 ms 0 KB -