Submission #1149110

#	Time	Username	Problem	Language	Result	Execution time	Memory
1149110		kitkat12	Circus (Balkan15_CIRCUS)	C++20	49 / 100	4056 ms	526888 KiB

circus

#include <bits/stdc++.h>
#include "circus.h"
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
#define mp make_pair
#define pb push_back
#define F first
#define S second
#define debug(x) std::cout << #x << ": " << x << "\n"
#define all(v) v.begin(), v.end()
#define li(i,a,b) for (int (i) = (a); (i) < (b); (i)++)
#define endl '\n'
#define mem(name,val) memset(name,val,sizeof(name))
#define min(a,b) (a<=b ? a : b)
#define max(a,b) (a>=b ? a : b)
//using u64 = uint64_t;
//using u128 = __uint128_t;

const int nmax = 2003;
vector<int> p,d;
int n,m; 

void init(int N, int M, int P[]){
    n = N; m = M;
    sort(P,P+N);
    li(i,0,n)p.pb(P[i]);
    
    //dijks
    d.assign(n,0);
    li(i,0,n)d[i]=m-p[i];
    priority_queue<pii, vector<pii>, greater<pii>>pq;
    li(i,0,n)pq.push({d[i],i});
    while(!pq.empty()){
        auto [d_v,v] = pq.top();
        pq.pop();
        if(d_v>d[v])continue;

        int lb = (int)(lower_bound(all(p),d_v+p[v])-p.begin());
        int up = (int)(upper_bound(all(p),p[v]-d_v)-p.begin());
        li(i,0,up){
            if(i==v)continue;
            int dist = abs(p[i]-p[v]);
            if(d[i] > dist){
                d[i]=dist;
                pq.push({dist,i});
            }
        }
        li(i,lb,n){
            if(i==v)continue;
            int dist = abs(p[i]-p[v]);
            if(d[i] > dist){
                d[i]=dist;
                pq.push({dist,i});
            }
        }
    }
}

int minLength(int D){
    int res = m-D;
    li(i,0,n){
        if(abs(p[i]-D) >= d[i]){
            res = min(res, abs(p[i]-D));
        }
    }
    return res;
}

Compilation message (stderr)

grader.cpp: In function 'int main()':
grader.cpp:16:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |         scanf("%d%d", &N, &M);
      |         ~~~~~^~~~~~~~~~~~~~~~
grader.cpp:18:22: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |                 scanf("%d", &P[i]);
      |                 ~~~~~^~~~~~~~~~~~~
grader.cpp:21:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |         scanf("%d", &Q);
      |         ~~~~~^~~~~~~~~~
grader.cpp:23:22: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |                 scanf("%d", &d);
      |                 ~~~~~^~~~~~~~~~

• Subtask 1: 0 / 11
• Subtask 2: 17 / 17
• Subtask 3: 23 / 23
• Subtask 4: 9 / 9
• Subtask 5: 0 / 31
• Subtask 6: 0 / 9