Submission #1167245

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1167245	2025-03-15 16:24:55	SmuggingSpun	Lottery (CEOI18_lot)	C++20	80 / 100	490 ms	20232 KiB

lot

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#include<bits/stdc++.h>
#define taskname "C"
using namespace std;
const int lim = 1e4 + 5;
int n, len, q, a[lim];
namespace sub1{
    void solve(){
        vector<vector<int>>cnt(n - len + 2, vector<int>(len + 1, 0));
        for(int i = 1; i + len - 1 <= n; i++){
            for(int j = i + 1; j + len - 1 <= n; j++){
                int s = 0;
                for(int k = 0; k < len; k++){
                    if(a[i + k] != a[j + k]){
                        s++;
                    }
                }
                cnt[i][s]++;
                cnt[j][s]++;
            }
        }
        for(int i = 1; i + len - 1 <= n; i++){
            for(int j = 1; j <= len; j++){
                cnt[i][j] += cnt[i][j - 1];
            }
        }
        for(int _ = 0; _ < q; _++){
            int k;
            cin >> k;
            for(int i = 1; i + len - 1 <= n; i++){
                cout << cnt[i][k] << " ";
 
 
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Compilation message (stderr)

lot.cpp: In function 'int main()':
lot.cpp:138:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  138 |                 freopen(taskname".inp", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 25 / 25
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 15 / 15
• Subtask 5: 0 / 20