Submission #646070

#	Time	Username	Problem	Language	Result	Execution time	Memory
646070		eNGy	Circus (Balkan15_CIRCUS)	C++17	0 / 100	10 ms	2000 KiB

circus

#include "circus.h"
#include <bits/stdc++.h>
#define c(x) (cerr << __LINE__ << ": " << #x << ' ' << (x) << endl, (x))
#define vis() (cerr << __LINE__ << endl)
#define ll long long
#define f first
#define s second
#define pb push_back
#define rsz resize
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()

using namespace std;

vector<int> X;
int n;

bool possible(int D, int l){
    while(l != 0 && D != X[n]){
        int d = *(upper_bound(X.begin(), X.end(), D + l) - 1);
        l  = d - D;
        D = d; 
    }

    return (D == X[n]);
}

void init(int N, int M, int P[]){
    n = N;
    for(int i=0; i<N; i++){
        X.pb(P[i]);
    }
    X.pb(M);
}

int minLength(int D) {
    int start = distance(X.begin(), upper_bound(X.begin(), X.end(), D));
    int I = start, F = n;
    if(possible(D, abs(D - X[I]))){
        return abs(D - X[I]);
    }

    while(I != F-1){
        int M = (I+F)/2;

        if(possible(D, abs(X[M] - D))){
            F = M;
        }else{
            I = M;
        }
    }

    return abs(D - X[F]);
}

Compilation message (stderr)

grader.cpp: In function 'int main()':
grader.cpp:14:12: warning: unused variable 'max_code' [-Wunused-variable]
   14 |  long long max_code;
      |            ^~~~~~~~
grader.cpp:16:7: 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:18:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |   scanf("%d", &P[i]);
      |   ~~~~~^~~~~~~~~~~~~
grader.cpp:21:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |  scanf("%d", &Q);
      |  ~~~~~^~~~~~~~~~
grader.cpp:23:8: 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: 0 / 17
• Subtask 3: 0 / 23
• Subtask 4: 0 / 9
• Subtask 5: 0 / 31
• Subtask 6: 0 / 9