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Submission #379242

# Submission time Handle Problem Language Result Execution time Memory
379242 2021-03-17T14:57:18 Z tqbfjotld Lokahian Relics (FXCUP4_lokahia) C++17
0 / 100
 2 ms 768 KB 
#include <bits/stdc++.h>
using namespace std;
#include "lokahia.h"

int X[205];
int retval[205];

int FindBase(int N){
    for (int x = 0; x<N; x++){
        X[x] = x;
    }
    for (int x = 0; x<N-1; x++){
        retval[x+1] = CollectRelics(x,x+1);
        if (retval[x+1]!=-1){
            X[x+1] = X[x];
        }
    }
    int longest = -1;
    int longpos = -1;
    for (int x = 0; x<N; x++){
        if (x-X[x]>longest){
            longest = x-X[x];
            longpos = x;
        }
    }
    int fingroup = X[longpos];
    int cur = N-1;
    int compsize = 0;
    int ans = -1;
    for (int x = fingroup+1; X[x]==fingroup; x++){
        ans = max(ans,retval[x]);
    }
    int queryCount = N-1;
    vector<int> stuff;
    while (cur!=-1){
        if (compsize>N/2) return ans;
        if (queryCount==300) return -1;
        if (cur==fingroup){
            compsize++;
            stuff.push_back(cur);
            if (X[cur]==0) cur = -1;
            else cur = X[X[cur]-1]-1;
            continue;
        }
        int ret = CollectRelics(cur,fingroup);
        queryCount++;
        if (ret==-1){
            cur = X[cur]-1;
            continue;
        }
        else{
            for (int x = cur; X[x]==X[cur]&&x>=0; x--){
                stuff.push_back(x);
            }
            compsize += cur-X[cur]+1;
            ans = max(ans,ret);
            if (X[cur]==0) cur = -1;
            else cur = X[X[cur]-1]-1;
        }

    }
    if (compsize>N/2)
    for (auto x : stuff){
       if (x!=ans) assert(CollectRelics(x,ans)!=-1);
    }
	return compsize>N/2?ans:-1;
}

Subtask #1
0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 620 KB Correct : C = 274
2 Correct 1 ms 620 KB Correct : C = 300
3 Correct 1 ms 620 KB Correct : C = 232
4 Correct 1 ms 620 KB Correct : C = 177
5 Correct 1 ms 620 KB Correct : C = 237
6 Partially correct 2 ms 620 KB Partially correct : C = 399
7 Partially correct 2 ms 620 KB Partially correct : C = 349
8 Correct 1 ms 492 KB Correct : C = 9
9 Partially correct 1 ms 620 KB Partially correct : C = 388
10 Correct 2 ms 620 KB Correct : C = 248
11 Correct 2 ms 620 KB Correct : C = 294
12 Correct 2 ms 768 KB Correct : C = 300
13 Correct 2 ms 620 KB Correct : C = 278
14 Correct 2 ms 620 KB Correct : C = 232
15 Correct 2 ms 620 KB Correct : C = 287
16 Correct 1 ms 620 KB Correct : C = 300
17 Correct 1 ms 620 KB Correct : C = 236
18 Correct 1 ms 492 KB Correct : C = 0
19 Correct 1 ms 620 KB Correct : C = 173
20 Partially correct 2 ms 620 KB Partially correct : C = 397
21 Incorrect 1 ms 620 KB Wrong
22 Correct 1 ms 620 KB Correct : C = 161
23 Correct 1 ms 620 KB Correct : C = 239
24 Correct 1 ms 620 KB Correct : C = 300
25 Incorrect 1 ms 620 KB Wrong
26 Partially correct 2 ms 620 KB Partially correct : C = 389
27 Correct 1 ms 620 KB Correct : C = 238