Submission #933624

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
933624	2024-02-26 01:47:25	vjudge1	Speedrun (RMI21_speedrun)	C++17	Compilation error	0 ms	0 KiB

speedrun

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#include <bits/stdc++.h>
#include "speedrun.h"
using namespace std;
using vi = vector <int>;
void assignHints (int subtask, int n, int u[], int v[]) {
    if (subtask==1){setHintLen(n);
    for (int i = 1; i <= n-1; i++) {
        setHint(u[i], v[i], true);
        setHint(v[i], u[i], true);
    }
    return;
    }
    if (subtask==2) {
    setHintLen(20);
    int freq[n+1]{};
    for (int i=1; i <= n-1; i++) {
        freq[u[i]]++;
        freq[v[i]]++;
    }
    int u = max_element(freq, freq+n+1)-freq;
    for (int i=1; i <= n; i++) {
        for (int bit=0; bit < 20; bit++) {
            setHint(i, bit+1, u>>bit&1);
        }
    }
    return;}
    bool vis[n+5]{};
    vi adj[n+5];
    for (int i = 1; i <= n-1; i++) {
 
 
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Compilation message (stderr)

speedrun.cpp: In function 'void assignHints(int, int, int*, int*)':
speedrun.cpp:35:9: error: 'freq' was not declared in this scope; did you mean 'free'?
   35 |         freq[u[i]]++;
      |         ^~~~
      |         free
speedrun.cpp:38:9: error: declaration of 'int u' shadows a parameter
   38 |     int u = min_element(freq, freq+n+1)-freq;
      |         ^
speedrun.cpp:6:43: note: 'int* u' previously declared here
    6 | void assignHints (int subtask, int n, int u[], int v[]) {
      |                                       ~~~~^~~
speedrun.cpp:38:25: error: 'freq' was not declared in this scope; did you mean 'free'?
   38 |     int u = min_element(freq, freq+n+1)-freq;
      |                         ^~~~
      |                         free
speedrun.cpp: In function 'void speedrun(int, int, int)':
speedrun.cpp:103:21: error: 'u' was not declared in this scope
  103 |             if (vis[u]) continue;
      |                     ^