Submission #1103392

#	Time	Username	Problem	Language	Result	Execution time	Memory
1103392		horiaboeriu	Mouse (info1cup19_mouse)	C++17	81.69 / 100	197 ms	760 KiB

mouse

#include <bits/stdc++.h>
#include "grader.h"
using namespace std;
const int MAXN = 256;
const int MOD = 200007;
const int NIL = 0;
int v[MAXN + 1], vrez[MAXN];
int cand[MAXN + 1][MAXN + 1], nrc[MAXN + 1], fr[MAXN + 1], next1[MAXN + 1];
char frecv[MAXN + 1];
int rez2, maxrez;
int mod(int x) {
    return x;
}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
static inline unsigned long long genrand() {
  return uniform_int_distribution<unsigned long long>(0, (unsigned long long)-1)(rng) * 3223 % 1621931;
}
void solve(int n) {
    int i, j, x, rez, nr4, nrz, rezi;
    for (i = 1; i <= n; i++) {
        for (j = 1; j <= n; j++) {
            cand[i][j] = 1;
        }
        nrc[i] = n;
    }
    vector<int> q;
    for (i = 1; i <= n; i++) {
        while (nrc[i] > 1) {
            nrz = n;
            for (j = 1; j <= n; j++) {
                fr[j] = 1;
            }
            q.clear();
            for (j = 1; j < i; j++) {
                q.push_back(v[j]);
                fr[v[j]] = 0;
                nrz--;
            }

            nr4 = mod(genrand()) % nrc[i] + 1;
            x = 1;
            while (nr4 > 0) {
                nr4 -= cand[i][x];
                x++;
            }
            x--;
            q.push_back(x);//candidat random
            fr[x] = 0;
            nrz--;
            //in q sunt indexate de la 0
            rezi = i - 1;
            for (j = i + 1; j <= n; j++) {
                nr4 = mod(genrand()) % nrz + 1;
                x = 1;
                while (nr4 > 0) {
                    nr4 -= fr[x];
                    x++;
                }
                x--;
                q.push_back(x);
                fr[x] = 0;
                nrz--;
                if (cand[j][x] == 1 && nrc[j] == 1) {
                    rezi++;
                }
            }

            rez = query(q);
            rez2++;
            if (rez == rezi) {
                //nu sunt pe pozitiile bune cei de la i la n
                for (j = i; j <= n; j++) {
                    if (nrc[j] > 1 || cand[j][q[j - 1]] == 0) {
                        nrc[j] -= cand[j][q[j - 1]];
                        cand[j][q[j - 1]] = 0;
                    }
                }
            } else if (rez == n) {
                return;
            }
        }


        x = 1;
        while (cand[i][x] == 0) {
            x++;
        }
        v[i] = x;
        for (j = i + 1; j <= n; j++) {
            nrc[j] -= cand[j][v[i]];
            cand[j][v[i]] = 0;
        }
    }
    q.clear();
    for (i = 1; i <= n; i++) {
        q.push_back(v[i]);
    }
    query(q);
}

• Subtask 1: 13 / 13
• Subtask 2: 31.99999 / 38
• Subtask 3: 36.692327 / 49