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Submission #691386

# Submission time Handle Problem Language Result Execution time Memory
691386 2023-01-31T06:31:00 Z Aiperiii Table Tennis (info1cup20_tabletennis) C++14
100 / 100
 71 ms 5724 KB 
#include <bits/stdc++.h>
using namespace std;
int n,k;
long long a[150401];
void check(int begin,int end){
    vector <long long> ans;
    int l=begin+1;
    int r=end-1;
    int bad=begin+n+k+1-end;
    long long t=a[r]+a[l];
    while(l<r){
        long long c=a[r]+a[l];
        if(c==t){
            ans.push_back(a[r]);
            ans.push_back(a[l]);
            l++;
            r--;
            if(ans.size()==n){
                sort(ans.begin(),ans.end());
                for(int i=0;i<ans.size();i++){
                    cout<<ans[i]<<" ";
                }
                exit(0);
            }
        }
        else if(c<t){
            l++;
            bad++;
        }
        else{
            r--;
            bad++;
        }
        if(bad>k){
            return;
        }
    }
}
int main(){
    cin.tie(0); 
    ios_base::sync_with_stdio(0);
    cin>>n>>k;
    for(int i=1;i<=n+k;i++){
        cin>>a[i];  
    }
    for(int i=0;i<=k;i++){
        for(int j=0;j<=k-i;j++){
            check(i,n+k+1-j);
        }
    }
}

Compilation message

tabletennis.cpp: In function 'void check(int, int)':
tabletennis.cpp:18:26: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   18 |             if(ans.size()==n){
      |                ~~~~~~~~~~^~~
tabletennis.cpp:20:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |                 for(int i=0;i<ans.size();i++){
      |                             ~^~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 984 KB Output is correct
2 Correct 33 ms 4260 KB Output is correct
3 Correct 30 ms 4236 KB Output is correct
4 Correct 32 ms 4224 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 4208 KB Output is correct
2 Correct 30 ms 4292 KB Output is correct
3 Correct 31 ms 4276 KB Output is correct
4 Correct 29 ms 4260 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct

Subtask #6
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct

Subtask #7
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 31 ms 4284 KB Output is correct
3 Correct 34 ms 5660 KB Output is correct
4 Correct 33 ms 5648 KB Output is correct
5 Correct 32 ms 5724 KB Output is correct
6 Correct 32 ms 5716 KB Output is correct
7 Correct 32 ms 5700 KB Output is correct
8 Correct 39 ms 5628 KB Output is correct

Subtask #8
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 46 ms 4176 KB Output is correct
3 Correct 32 ms 5652 KB Output is correct
4 Correct 54 ms 5636 KB Output is correct
5 Correct 31 ms 5604 KB Output is correct
6 Correct 32 ms 5684 KB Output is correct
7 Correct 71 ms 5684 KB Output is correct
8 Correct 35 ms 5708 KB Output is correct