Submission #536931

#	Time	Username	Problem	Language	Result	Execution time	Memory
536931		joelau	Speedrun (RMI21_speedrun)	C++14	8 / 100	56 ms	728 KiB

speedrun

#include "speedrun.h"
#include <bits/stdc++.h>
using namespace std;
 
void assignHints(int subtask, int N, int A[], int B[]) {
    int deg[N+5];
    memset(deg,0,sizeof(deg));
    for (int i = 1; i < N; ++i) deg[A[i]]++, deg[B[i]]++;
    int x = 1;
    for (int i = 1; i <= N; ++i) if (deg[i] > deg[x]) x = i;
    setHintLen(20);
    for (int i = 0; i < 20; ++i) for (int j = 1; j <= N; ++j) if (x & (1<<i)) setHint(j,i+1,1);
}
 
void speedrun(int subtask, int N, int start) {
    int len = getLength();
    bitset<1005> visited;
    visited[start] = 1;
    int x = 0;
    for (int i = 0; i < 20; ++i) if (getHint(i+1)) x |= (1<<i);
    if (start != x) goTo(x), visited[x] = 1;
    for (int i = 1; i <= N; ++i) if (!visited[i]) goTo(i), goTo(x);
}

Compilation message (stderr)

speedrun.cpp: In function 'void speedrun(int, int, int)':
speedrun.cpp:16:9: warning: unused variable 'len' [-Wunused-variable]
   16 |     int len = getLength();
      |         ^~~

• Subtask 1: 0 / 21
• Subtask 2: 8 / 8
• Subtask 3: 0 / 19
• Subtask 4: 0 / 12
• Subtask 5: 0 / 40