Submission #737116

#	Time	Username	Problem	Language	Result	Execution time	Memory
737116		mjhmjh1104	Speedrun (RMI21_speedrun)	C++17	19 / 100	175 ms	920 KiB

speedrun

#include "speedrun.h"
#include <vector>
using namespace std;
 
int n;
vector<int> adj[1006];

void assign(int x, int y, int z) {
    for (int i = 0; i < 10; i++) setHint(x + 1, y * 10 + i + 1, z & 1 << i ? true : false);
}

int get(int y) {
    int ret = 0;
    for (int i = 0; i < 10; i++) ret |= getHint(y * 10 + i + 1) << i;
    return ret;
}
 
void assignHints(int subtask, int n, int a[], int b[]) {
    ::n = n;
    for (int i = 1; i < n; i++) {
        adj[a[i] - 1].push_back(b[i] - 1);
        adj[b[i] - 1].push_back(a[i] - 1);
    }
    setHintLen(20);
    for (int i = 0; i < n; i++) for (int j = 0; j < 2; j++) {
        if (j < (int)adj[i].size()) assign(i, j, adj[i][j]);
        else assign(i, j, 1023);
    }
}
 
void dfs(int x, int prev = -1) {
    for (int i = 0; i < 2; i++) if (get(i) != 1023) adj[x].push_back(get(i));
    for (auto &i: adj[x]) if (i != prev) {
        goTo(i + 1);
        dfs(i, x);
    }
    if (prev != -1) goTo(prev + 1);
}
 
void speedrun(int subtask, int n, int st) {
    ::n = n;
    dfs(st - 1);
}

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