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Submission #967970

# Submission time Handle Problem Language Result Execution time Memory
967970 2024-04-23T06:12:39 Z Darren0724 Line Town (CCO23_day1problem3) C++17
0 / 25
 1 ms 352 KB 
#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(),x.end()
#define ll long long 
#define LCBorz ios_base::sync_with_stdio(false);cin.tie(0);
const int N=1000005;
const int mod=1e6+3;

int32_t main(){
    LCBorz;
    int n;cin>>n;
    vector<int> v(n+1);
    for(int i=1;i<=n;i++){
        cin>>v[i];
    }
    int ans=0;
    int lz=0;
    for(int i=n;i>=1;i--){
        if((v[i]<0)^lz){
            if(i%2==0){
                cout<<0<<endl;
                return 0;
            }
            lz^=1;
            ans+=(i-1);
        }
    }
    cout<<ans<<endl;
    
    return 0;
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 352 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 352 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 352 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 352 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 2.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 352 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 352 KB Output isn't correct
2 Halted 0 ms 0 KB -