oj.uz

Submission #998045

# Submission time Handle Problem Language Result Execution time Memory
998045 2024-06-13T08:48:26 Z guagua0407 Editor (BOI15_edi) C++17
100 / 100
 164 ms 30292 KB 
//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define f first
#define s second
#define all(x) x.begin(),x.end()
#define _ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

int dx[4]={0,0,1,-1};
int dy[4]={1,-1,0,0};

void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}

const int mxn=3e5+5;
int prv[mxn][20];
int e[mxn];
int lev[mxn];
int cur=0;

int main() {_
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>e[i];
        e[i]*=-1;
        lev[i]=max(0,e[i]);
        if(e[i]>0){
            int x=i-1;
            for(int j=19;j>=0;j--){
                if(lev[prv[x][j]]>=lev[i]){
                    x=prv[x][j];
                }
            }
            x=prv[x][0];
            if(lev[i-1]<lev[i]){
                x=i-1;
            }
            int y=x-1;
            for(int j=19;j>=0;j--){
                if(lev[prv[y][j]]>=lev[i]){
                    y=prv[y][j];
                }
            }
            y=prv[y][0];
            if(lev[x-1]<lev[i]){
                y=x-1;
            }
            prv[i][0]=y;
            for(int j=1;j<20;j++){
                prv[i][j]=prv[prv[i][j-1]][j-1];
            }
        }
        int ans=i;
        for(int j=19;j>=0;j--){
            if(lev[prv[ans][j]]>0){
                ans=prv[ans][j];
            }
        }
        if(lev[ans]>0) ans=prv[ans][0];
        cout<<-e[ans]<<'\n';
    }
    return 0;
}
//maybe its multiset not set
//yeeorz
//laborz

Compilation message

edi.cpp: In function 'void setIO(std::string)':
edi.cpp:15:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
edi.cpp:16:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 2 ms 2648 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 3 ms 2908 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 3 ms 2904 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 3 ms 2908 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 104 ms 28240 KB Output is correct
2 Correct 105 ms 28160 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 9816 KB Output is correct
2 Correct 65 ms 11856 KB Output is correct
3 Correct 126 ms 24912 KB Output is correct
4 Correct 111 ms 29524 KB Output is correct
5 Correct 114 ms 30288 KB Output is correct
6 Correct 97 ms 27388 KB Output is correct

Subtask #4
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 2 ms 2648 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 3 ms 2908 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 3 ms 2904 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 3 ms 2908 KB Output is correct
10 Correct 104 ms 28240 KB Output is correct
11 Correct 105 ms 28160 KB Output is correct
12 Correct 52 ms 9816 KB Output is correct
13 Correct 65 ms 11856 KB Output is correct
14 Correct 126 ms 24912 KB Output is correct
15 Correct 111 ms 29524 KB Output is correct
16 Correct 114 ms 30288 KB Output is correct
17 Correct 97 ms 27388 KB Output is correct
18 Correct 106 ms 18360 KB Output is correct
19 Correct 123 ms 18256 KB Output is correct
20 Correct 164 ms 28756 KB Output is correct
21 Correct 112 ms 29524 KB Output is correct
22 Correct 109 ms 30292 KB Output is correct