Submission #1155255

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1155255	2025-02-22 03:49:41	nathan4690	Necklace (Subtask 1-3) (BOI19_necklace1)	C++20	85 / 85	789 ms	8928 KiB

necklace

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#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define f1(i,n) for(int i=1;i<=n;i++)
#define __file_name ""
using namespace std;
const ll maxn = 1e6+5, inf=1e18;
struct Result{
    int len, i, j;
    Result(int len=0, int i=0, int j=0): len(len), i(i), j(j){};
    bool operator<(const Result &rhs) const{
        return len < rhs.len;
    }
};
int n, m;
string s, t;
vector<int> outs[3005];
priority_queue<int, vector<int>, greater<int>> pq;
bool del[3005];
Result solve(){
    Result ans;
    for(int pos=0;pos<m;pos++){
        string pref = t.substr(0, pos+1), suff = t.substr(pos+1, m);
        string p = suff + '#' + s;
        int sz = p.size();
        vector<int> z(sz, 0);
        for (int i = 1, l = 0, r = 0; i < sz; ++i) {
 
 
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Compilation message (stderr)

necklace.cpp: In function 'int main()':
necklace.cpp:97:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   97 |         freopen(__file_name ".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
necklace.cpp:98:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   98 |         freopen(__file_name ".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 25 / 25
• Subtask 2: 20 / 20
• Subtask 3: 40 / 40