oj.uz

Submission #954545

# Submission time Handle Problem Language Result Execution time Memory
954545 2024-03-28T06:34:49 Z hihihihaw Palembang Bridges (APIO15_bridge) C++17
22 / 100
 33 ms 4332 KB 
#pragma GCC optimize("O3,unroll-loops")    
#include <bits/stdc++.h>
using namespace std;
 
#define int long long
#define pb push_back
#define pii pair<int,int>
#define sz(v) (int)v.size()
#define fi first
#define se second
#define INF 1223372036854775807
#define MOD 1000000007
#define cint(x) int x;cin>>x;
#define cinarr(a,n) int a[n];for (int i=0;i<n;i++) cin>>a[i];
#define coutarr(a) for (auto d:a) cout<<d<<" "; cout<<endl;
#define coutarrD(a) for (auto d:a) cout<<d.fi<<","<<d.se<<" "; cout<<endl;
#define AYBERK_SARICA ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define endl '\n'
#define ld long double

int t=1;
int usaco=0;
vector<pii> v;
int f(int x){
    int ans=0;
    for (auto d:v)ans+=abs(x-d.fi)+abs(x-d.se)+1;
    return ans;
}

void solve(){
    int k,n;
    cin>>k>>n;
    int ans=0;
    while (n--){
        char a,b;
        int x,y;
        cin>>a>>x>>b>>y;
        if (a==b) ans+=abs(x-y);
        else{
            v.pb({x,y});
        }
    }
    int l=0,r=9999999999;
    
    while (r>=l){
        int m=(l+r)/2;
        if (f(m)<=f(m+1)) r=m-1;
        else l=m+1;
    }
    cout<<f(l)+ans<<endl;
    
}  
    

    

 
 
 
 
int32_t main(){
    
    AYBERK_SARICA;
    if (usaco){
        freopen("hayfeast.in", "r", stdin);
        freopen("hayfeast.out", "w", stdout);
    }
    #ifdef Local
        freopen("in.txt", "r", stdin);
        freopen("out.txt", "w", stdout);
        //freopen("wormsort.out", "w", stdout);
    #endif
    if (t==1) solve();
    else{
        cin>>t;
        while (t--) solve();
    }
    
        
    return 0;
}

Compilation message

bridge.cpp: In function 'int32_t main()':
bridge.cpp:65:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   65 |         freopen("hayfeast.in", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
bridge.cpp:66:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   66 |         freopen("hayfeast.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 464 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 612 KB Output is correct
11 Correct 1 ms 344 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 500 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 500 KB Output is correct
12 Correct 19 ms 3284 KB Output is correct
13 Correct 33 ms 4332 KB Output is correct
14 Correct 24 ms 3816 KB Output is correct
15 Correct 18 ms 2776 KB Output is correct
16 Correct 22 ms 3800 KB Output is correct
17 Correct 30 ms 4296 KB Output is correct
18 Correct 26 ms 4056 KB Output is correct
19 Correct 25 ms 4312 KB Output is correct
20 Correct 25 ms 3888 KB Output is correct
21 Correct 24 ms 3920 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Incorrect 1 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Incorrect 1 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -