oj.uz

Submission #696300

# Submission time Handle Problem Language Result Execution time Memory
696300 2023-02-06T07:39:12 Z Dan4Life Inside information (BOI21_servers) C++17
5 / 100
 51 ms 3936 KB 
#include <bits/stdc++.h>
using namespace std;
const int mxN = (int)130000;

int n, k, pos[mxN];

int32_t main()
{
    ios_base::sync_with_stdio(false); cin.tie(0);
    cin >> n >> k; int sz = 1;
    for(int _ = 0; _ < n+k-1; _++){
        char t; int x, y;
        cin >> t >> x;
        if(t=='S'){
            cin >> y;
            if(x>y)swap(x,y);
            pos[y]=sz++;
        }
        else if(t=='Q'){
            cin >> y;
            if(x==y) cout << "yes";
            else if(x==1) cout << (pos[y]?"yes":"no");
            else if(y==1) cout << (pos[x]?"yes":"no");
            else cout << (pos[x]>pos[y] and pos[x] and pos[y]?"yes":"no");
        }
        else{
            int cnt = 0;
            if(x==1) cout << sz;
            else if(!pos[x]) cout << 1;
            else cout << sz-pos[x]+1;
        }
        if(t!='S') cout << "\n";
    }
}

Compilation message

servers.cpp: In function 'int32_t main()':
servers.cpp:27:17: warning: unused variable 'cnt' [-Wunused-variable]
   27 |             int cnt = 0;
      |                 ^~~

Subtask #1
0 / 2.5

# Verdict Execution time Memory Grader output
1 Incorrect 20 ms 596 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 2.5

# Verdict Execution time Memory Grader output
1 Incorrect 20 ms 596 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
2.5 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 21 ms 596 KB Output is correct
2 Correct 47 ms 1088 KB Output is correct
3 Correct 51 ms 1184 KB Output is correct

Subtask #4
2.5 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 21 ms 596 KB Output is correct
2 Correct 47 ms 1088 KB Output is correct
3 Correct 51 ms 1184 KB Output is correct
4 Correct 20 ms 596 KB Output is correct
5 Correct 49 ms 3936 KB Output is correct
6 Correct 38 ms 3064 KB Output is correct
7 Correct 40 ms 3244 KB Output is correct

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 21 ms 608 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 21 ms 608 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 21 ms 664 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 21 ms 664 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 12.5

# Verdict Execution time Memory Grader output
1 Incorrect 21 ms 724 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 12.5

# Verdict Execution time Memory Grader output
1 Incorrect 21 ms 724 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #11
0 / 17.5

# Verdict Execution time Memory Grader output
1 Incorrect 23 ms 660 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #12
0 / 17.5

# Verdict Execution time Memory Grader output
1 Incorrect 23 ms 660 KB Output isn't correct
2 Halted 0 ms 0 KB -