oj.uz

Submission #1044306

# Submission time Handle Problem Language Result Execution time Memory
1044306 2024-08-05T08:44:05 Z imarn Sprinklers (CEOI24_sprinklers) C++14
6 / 100
 34 ms 2908 KB 
#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define pii pair<int,int>
#define f first
#define s second
#define all(x) x.begin(),x.end()
#define ub(a,b) upper_bound(a.begin(),a.end(),b)-a.begin();
#define lb(a,b) lower_bound(a.begin(),a.end(),b)-a.begin();
#define vi vector<int>
#define vll vector<ll>
#define pll pair<ll,ll>
#define sz(x) x.size()
#define T pair<double,string>
using namespace std;
const int mxn=2e5+5;
int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);
    int n,m;cin>>n>>m;
    int s[n+1]={0},f[m+1]={0};
    for(int i=1;i<=n;i++)cin>>s[i];for(int i=1;i<=m;i++)cin>>f[i];
    int l=0,r=1e9+1;
    int lr[n+1]={0};
    while(l<r){
        int k=(l+r)>>1;
        int idx=1;memset(lr,0,sizeof lr);
        for(int i=1;i<=n;i++){
            while(idx<=m&&s[i]-k<=f[idx]&&f[idx]<=s[i])idx++,lr[i]=1;
            while(idx<=m&&s[i]<=f[idx]&&f[idx]<=s[i]+k&&lr[i]!=1)idx++,lr[i]=2;
        }if(idx!=m+1)l=k+1;
        else r=k;
    }if(l==1e9+1){cout<<-1;return 0;}
    memset(lr,0,sizeof lr);int idx=1;
    for(int i=1;i<=n;i++){
        while(idx<=m&&s[i]-l<=f[idx]&&f[idx]<=s[i])idx++,lr[i]=1;
        while(idx<=m&&s[i]<=f[idx]&&f[idx]<=s[i]+l&&lr[i]!=1)idx++,lr[i]=2;
    }cout<<l<<'\n';
    for(int i=1;i<=n;i++)cout<<(lr[i]==1?"L":"R");
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:21:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   21 |     for(int i=1;i<=n;i++)cin>>s[i];for(int i=1;i<=m;i++)cin>>f[i];
      |     ^~~
Main.cpp:21:36: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   21 |     for(int i=1;i<=n;i++)cin>>s[i];for(int i=1;i<=m;i++)cin>>f[i];
      |                                    ^~~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Correct
2 Correct 0 ms 348 KB Correct

Subtask #1
0.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Correct
2 Correct 11 ms 1628 KB Correct
3 Incorrect 0 ms 348 KB User solution is worse than jury's solution
4 Halted 0 ms 0 KB -

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Correct
2 Correct 8 ms 1372 KB Correct
3 Correct 4 ms 604 KB Correct
4 Correct 26 ms 2908 KB Correct
5 Correct 34 ms 2896 KB Correct
6 Correct 0 ms 348 KB Correct
7 Correct 0 ms 348 KB Correct
8 Correct 18 ms 2908 KB Correct
9 Correct 33 ms 2744 KB Correct
10 Correct 20 ms 2896 KB Correct
11 Correct 25 ms 1884 KB Correct
12 Correct 24 ms 1884 KB Correct
13 Correct 26 ms 2128 KB Correct
14 Correct 21 ms 2416 KB Correct
15 Correct 21 ms 2396 KB Correct
16 Correct 19 ms 2272 KB Correct

Subtask #3
0.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Correct
2 Correct 0 ms 348 KB Correct
3 Incorrect 0 ms 600 KB User solution is worse than jury's solution
4 Halted 0 ms 0 KB -

Subtask #4
0.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Correct
2 Incorrect 11 ms 1880 KB User solution is worse than jury's solution
3 Halted 0 ms 0 KB -

Subtask #5
0.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Correct
2 Correct 0 ms 348 KB Correct
3 Correct 11 ms 1628 KB Correct
4 Incorrect 0 ms 348 KB User solution is worse than jury's solution
5 Halted 0 ms 0 KB -