Submission #1166699

#	Time	Username	Problem	Language	Result	Execution time	Memory
1166699		TgX_2	Matching (CEOI11_mat)	C++20	0 / 100	2096 ms	26868 KiB

mat

/*-----------------------------
        Author : TgX.2
       11Ti - K28 - CHV
-----------------------------*/

#include <bits/stdc++.h>
using   namespace std;

#ifdef TGX 
#include "debug.h"
#else 
#define debug(...)
#endif 

#define FOR(i, a, b)       for (int i = (a), _b = (b); i <= _b; i += 1)
#define FORD(i, a, b)      for (int i = (a), _b = (b); i >= _b; i -= 1)

#define fi                 first
#define se                 second
#define pb                 push_back
#define len(x)             (int)((x).size())
#define all(x)             (x).begin(), (x).end()

#define _                  << " " <<
#define __                 << "\n"
#define ___                << " "

#define ______________TgX______________ main()
#define int                long long
#define intmax             1e9
#define intmin            -1e9
#define llongmax           1e18
#define llongmin          -1e18
#define memo(a, val)       memset((a), (val), sizeof((a)))

struct custom {
    static uint64_t splitmix64(uint64_t x) {
        x += 0x9e3779b97f4a7c15;
        x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
        x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
        return x ^ (x >> 31);
    }

    size_t operator()(uint64_t x) const {
        static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
        return splitmix64(x + FIXED_RANDOM);
    }
};
template<class T1, class T2> using cmap = unordered_map<T1, T2, custom>;

template<typename T1, typename T2> 
bool mini(T1 &a, T2 b)
    {if (a > b) a = b; else return 0; return 1;}

template<typename T1, typename T2> 
bool maxi(T1 &a, T2 b)
    {if (a < b) a = b; else return 0; return 1;}
/*-----------------------------*/

const int maxn = 1e6 + 7;
int n, m, a[maxn], b[maxn];


int c[maxn];
bool check(int st) {
    vector<int> val;
    FOR(i, st, st + n - 1) {
        c[i - st + 1] = b[i];
        val.pb(b[i]);
    }

    sort(all(val));

    FOR(i, 1, n) {
        c[i] = lower_bound(all(val), c[i]) - val.begin() + 1;
        if (c[i] != a[i]) return 0;
    }

    return 1;
}

void process() {
    cin >> n >> m;
    FOR(i, 1, n) cin >> a[i];

    vector<int> val;
    FOR(i, 1, m) {
        cin >> b[i];
        val.pb(b[i]);
    }

    sort(all(val));
    val.erase(unique(all(val)), val.end());

    FOR(i, 1, m) 
        b[i] = lower_bound(all(val), b[i]) - val.begin() + 1;

    vector<int> ans;

    FOR(i, 1, m - n + 1)
        if (check(i)) ans.pb(i);

    cout << len(ans) __ ;
    for(const int &val : ans) cout << val ___ ;
}



/*-----------------------------*/
______________TgX______________ {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);  
    if (fopen("temp.inp", "r")) {
        freopen("temp.inp", "r", stdin);
        freopen("temp.out", "w", stdout);
    }
    process();
    cerr << "Time: " << 1.0 * clock() / CLOCKS_PER_SEC << " s." __ ;
}


/*==============================+
|INPUT                          |
--------------------------------|

================================+
|OUTPUT                         |
--------------------------------|

===============================*/

Compilation message (stderr)

mat.cpp:28:41: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   28 | #define ______________TgX______________ main()
      |                                         ^~~~
mat.cpp:110:1: note: in expansion of macro '______________TgX______________'
  110 | ______________TgX______________ {
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mat.cpp: In function 'int main()':
mat.cpp:114:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  114 |         freopen("temp.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
mat.cpp:115:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  115 |         freopen("temp.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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