Submission #1031087

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1031087	2024-07-22T14:40:59 Z	Abito	Fire (BOI24_fire)	C++17	31 / 100	2000 ms	616 KB

Main

#include <bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define ppb pop_back
#define ep insert
#define endl '\n'
#define elif else if
#define pow pwr
#define sqrt sqrtt
//#define int long long
#define ll long long
#define y1 YONE
typedef unsigned long long ull;
using namespace std;
const int N=2e5+5;
int L[N],R[N],n,m;
int32_t main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
    cin>>n>>m;int ans=INT_MAX;
    for (int i=1;i<=n;i++) cin>>L[i]>>R[i];
    for (int k=1;k<=n;k++){
        int x=L[k];
        //cout<<x<<endl;
        vector<pair<int,int>> a;
        vector<int> p(n);
        for (int i=1;i<=n;i++){
            int l=(L[i]-x+m)%m,r=(R[i]-x+m)%m;
            //cout<<l<<' '<<r<<endl;
            if (l>r) r=m-1;
            a.pb({l,r});
        }
        sort(a.begin(),a.end());
        /*for (auto u:a) cout<<u.F<<' ';cout<<endl;
        for (auto u:a) cout<<u.S<<' ';cout<<endl;
        cout<<endl;*/
        p[0]=a[0].S;
        for (int i=1;i<n;i++) p[i]=max(p[i-1],a[i].S);
        int cur=0,ansx=0;
        while (cur<m-1){
            int l=0,r=n-1,mid,idx=-1;
            while (l<=r){
                mid=(l+r)/2;
                if (a[mid].F<=cur){
                    idx=mid;
                    l=mid+1;
                }else r=mid-1;
            }
            if (idx==-1){
                ansx=INT_MAX;
                break;
            }
            if (p[idx]==cur){
                ansx=INT_MAX;
                break;
            }
            ansx++;
            cur=p[idx];
        }
        ans=min(ans,ansx);
    }
    if (ans==INT_MAX) ans=-1;
    cout<<ans<<endl;
    return 0;
}

Subtask #1
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	600 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	432 KB	Output is correct
20	Correct	1 ms	344 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct

Subtask #2
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	600 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	432 KB	Output is correct
20	Correct	1 ms	344 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	4 ms	348 KB	Output is correct
26	Correct	4 ms	348 KB	Output is correct
27	Correct	5 ms	372 KB	Output is correct
28	Correct	5 ms	344 KB	Output is correct
29	Correct	4 ms	348 KB	Output is correct
30	Correct	4 ms	348 KB	Output is correct
31	Correct	4 ms	480 KB	Output is correct
32	Correct	5 ms	348 KB	Output is correct
33	Correct	5 ms	348 KB	Output is correct
34	Correct	5 ms	348 KB	Output is correct
35	Correct	4 ms	348 KB	Output is correct
36	Correct	5 ms	348 KB	Output is correct
37	Correct	2 ms	348 KB	Output is correct
38	Correct	4 ms	348 KB	Output is correct

Subtask #3
0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	600 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	432 KB	Output is correct
20	Correct	1 ms	344 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	4 ms	348 KB	Output is correct
26	Correct	4 ms	348 KB	Output is correct
27	Correct	5 ms	372 KB	Output is correct
28	Correct	5 ms	344 KB	Output is correct
29	Correct	4 ms	348 KB	Output is correct
30	Correct	4 ms	348 KB	Output is correct
31	Correct	4 ms	480 KB	Output is correct
32	Correct	5 ms	348 KB	Output is correct
33	Correct	5 ms	348 KB	Output is correct
34	Correct	5 ms	348 KB	Output is correct
35	Correct	4 ms	348 KB	Output is correct
36	Correct	5 ms	348 KB	Output is correct
37	Correct	2 ms	348 KB	Output is correct
38	Correct	4 ms	348 KB	Output is correct
39	Correct	1425 ms	608 KB	Output is correct
40	Execution timed out	2065 ms	604 KB	Time limit exceeded
41	Halted	0 ms	0 KB	-

Subtask #4
0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	5 ms	348 KB	Output is correct
10	Correct	4 ms	476 KB	Output is correct
11	Correct	4 ms	348 KB	Output is correct
12	Correct	5 ms	472 KB	Output is correct
13	Correct	5 ms	348 KB	Output is correct
14	Correct	4 ms	348 KB	Output is correct
15	Correct	1351 ms	616 KB	Output is correct
16	Execution timed out	2011 ms	600 KB	Time limit exceeded
17	Halted	0 ms	0 KB	-

Subtask #5
0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	5 ms	348 KB	Output is correct
9	Correct	5 ms	348 KB	Output is correct
10	Correct	4 ms	348 KB	Output is correct
11	Correct	4 ms	348 KB	Output is correct
12	Correct	1419 ms	616 KB	Output is correct
13	Execution timed out	2061 ms	604 KB	Time limit exceeded
14	Halted	0 ms	0 KB	-

Subtask #6
0 / 26.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	600 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	432 KB	Output is correct
20	Correct	1 ms	344 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	4 ms	348 KB	Output is correct
26	Correct	4 ms	348 KB	Output is correct
27	Correct	5 ms	372 KB	Output is correct
28	Correct	5 ms	344 KB	Output is correct
29	Correct	4 ms	348 KB	Output is correct
30	Correct	4 ms	348 KB	Output is correct
31	Correct	4 ms	480 KB	Output is correct
32	Correct	5 ms	348 KB	Output is correct
33	Correct	5 ms	348 KB	Output is correct
34	Correct	5 ms	348 KB	Output is correct
35	Correct	4 ms	348 KB	Output is correct
36	Correct	5 ms	348 KB	Output is correct
37	Correct	2 ms	348 KB	Output is correct
38	Correct	4 ms	348 KB	Output is correct
39	Correct	1425 ms	608 KB	Output is correct
40	Execution timed out	2065 ms	604 KB	Time limit exceeded
41	Halted	0 ms	0 KB	-

Submission #1031087

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 17.0 / 17.0

Subtask #3 0 / 9.0

Subtask #4 0 / 13.0

Subtask #5 0 / 21.0

Subtask #6 0 / 26.0

Subtask #1
14.0 / 14.0

Subtask #2
17.0 / 17.0

Subtask #3
0 / 9.0

Subtask #4
0 / 13.0

Subtask #5
0 / 21.0

Subtask #6
0 / 26.0