제출 #528102

#제출 시각아이디문제언어결과실행 시간메모리
528102idasLottery (CEOI18_lot)C++11
100 / 100
1260 ms8248 KiB
#include <bits/stdc++.h>
#define FAST_IO ios_base::sync_with_stdio(0); cin.tie(nullptr); cout.tie(nullptr)
#define FOR(i, begin, end) for(int i = (begin); i < (end); i++)
#define TSTS int ttt; cin >> ttt; while(ttt--) solve()
#define all(x) (x).begin(), (x).end()
#define le(vec) vec[vec.size()-1]
#define sz(x) ((int)((x).size()))
#define pb push_back
#define s second
#define f first

using namespace std;
typedef long long ll;
typedef long double ld;
typedef vector<int> vi;
typedef map<int, int> mii;
typedef pair<int, int> pii;
typedef pair<long long, long long> pll;
typedef pair<long double, long double> pdd;

const int INF=1e9, MOD=1e9+7, mod=998244353;
const ll LINF=1e18;

void setIO()
{
    FAST_IO;
}

void setIO(string s)
{
    FAST_IO;
    freopen((s+".in").c_str(), "r", stdin);
    freopen((s+".out").c_str(), "w", stdout);
}

const int N=1e4+1, Q=101;
int n, l, qr, a[N], c[N], q[Q], cn[N][Q], id;
set<int> st;

int main()
{
    setIO();
    cin >> n >> l;
    FOR(i, 0, n) cin >> a[i];
    cin >> qr;
    FOR(i, 0, qr)
    {
        cin >> q[i];
        st.insert(q[i]);
    }

    for(auto x : st) c[x]=id++;

    for(int d=1; d+l-1<n; d++)
    {
        int eq=0;
        FOR(in, 0, l)
        {
            if(a[in]==a[in+d]){
                eq++;
            }
        }

        int dif=l-eq;
        auto it=st.lower_bound(dif);
        if(it!=st.end()){
            int idx=c[*it];
            cn[0][idx]++;
            cn[d][idx]++;
        }

        for(int i=1; i+d+l-1<n; i++)
        {
            int j=i+d, e=j+l-1, y=i+l-1;

            if(a[j-1]==a[i-1]){
                eq--;
            }
            if(a[e]==a[y]){
                eq++;
            }

            int dif=l-eq;
            auto it=st.lower_bound(dif);
            if(it!=st.end()){
                int idx=c[*it];
                cn[i][idx]++;
                cn[j][idx]++;
            }
        }
    }

    FOR(i, 1, id)
    {
        FOR(j, 0, n-l+1)
        {
            cn[j][i]+=cn[j][i-1];
        }
    }

    FOR(i, 0, qr)
    {
        FOR(j, 0, n-l+1)
        {
            cout << cn[j][c[q[i]]] << " ";
        }
        cout << '\n';
    }
}

컴파일 시 표준 에러 (stderr) 메시지

lot.cpp: In function 'void setIO(std::string)':
lot.cpp:32:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |     freopen((s+".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lot.cpp:33:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |     freopen((s+".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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