oj.uz

답안 #967327

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
967327 2024-04-21T21:59:58 Z ainta Mizuyokan 2 (JOI23_mizuyokan2) C++17
6 / 100
 4000 ms 32424 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define rng(i,a,b) for(int i=int(a);i<=int(b);i++)
#define rep(i,b) rng(i,0,b-1)
#define gnr(i,b,a) for(int i=int(b);i>=int(a);i--)
#define per(i,b) gnr(i,b-1,0)
#define pb push_back
#define eb emplace_back
#define fi first
#define se second
#define bg begin()
#define ed end()
#define all(x) x.bg,x.ed
#define si(x) int(x.size())
template<class t> using vc=vector<t>;
template<class t> using vvc=vc<vc<t>>;
typedef long long ll;
using pii=pair<int,int>;
using vi=vc<int>;
using uint=unsigned;
using ull=unsigned long long;
using pil=pair<int,ll>;
using pli=pair<ll,int>;
using pll=pair<ll,ll>;
using t3=tuple<int,int,int>;
 
ll rand_int(ll l, ll r) { //[l, r]
	#ifdef LOCAL
	static mt19937_64 gen;
	#else
    static mt19937_64 gen(chrono::steady_clock::now().time_since_epoch().count());
    #endif
    return uniform_int_distribution<ll>(l, r)(gen);
}
 
 
template <uint MD> struct ModInt {
    using M = ModInt;
    const static M G;
    uint v;
    ModInt(ll _v = 0) { set_v(_v % MD + MD); }
    M& set_v(uint _v) {
        v = (_v < MD) ? _v : _v - MD;
        return *this;
    }
    explicit operator bool() const { return v != 0; }
    M operator-() const { return M() - *this; }
    M operator+(const M& r) const { return M().set_v(v + r.v); }
    M operator-(const M& r) const { return M().set_v(v + MD - r.v); }
    M operator*(const M& r) const { return M().set_v(ull(v) * r.v % MD); }
    M operator/(const M& r) const { return *this * r.inv(); }
    M& operator+=(const M& r) { return *this = *this + r; }
    M& operator-=(const M& r) { return *this = *this - r; }
    M& operator*=(const M& r) { return *this = *this * r; }
    M& operator/=(const M& r) { return *this = *this / r; }
    bool operator==(const M& r) const { return v == r.v; }
    M pow(ll n) const {
        M x = *this, r = 1;
        while (n) {
            if (n & 1) r *= x;
            x *= x;
            n >>= 1;
        }
        return r;
    }
    M inv() const { return pow(MD - 2); }
    friend ostream& operator<<(ostream& os, const M& r) { return os << r.v; }
};
using Mint = ModInt<998244353>;
using t4 = tuple<int,int,int,int>;
using t5 = tuple<int,int,int,int,int>;
template<> const Mint Mint::G = Mint(3);
#define N_ 251000
const int SZ = (1<<18);
int n;
int w[N_];
vc<t3> IT[SZ+SZ];
ll BIT[SZ];
void Add(int a, ll b){
    while(a<SZ){
        BIT[a]+=b;
        a+=(a&-a);
    }
}
ll Sum(int a){
    ll r=0;
    while(a){
        r += BIT[a];
        a-=(a&-a);
    }
    return r;
}
vc<t3> Merge(vc<t3> A, vc<t3> B){
    if(A.empty())return B;
    if(B.empty())return A;
    vc<t3>T;
    for(auto &[c1,b1,e1]: A){
        for(auto &[c2,b2,e2]: B){
            ll bet = Sum(b2-1)-Sum(e1);
            if(w[e1] < bet && bet > w[b2]){
                T.pb({c1+c2,b1,e2});
            }
        }
    }
    for(auto &t: A)T.pb(t);
    for(auto &t: B)T.pb(t);
    sort(all(T), [&](t3 a, t3 b){
        auto [c1,b1,e1]=a;
        auto [c2,b2,e2]=b;
        if(c1!=c2)return c1<c2;
        return e1-b1 > e2-b2;
    });
    reverse(all(T));
    vc<t3>ret;
    rep(i,si(T)){
        int ck=0;
        auto [c,b,e]=T[i];
        rep(j,si(ret)){
            auto [c2,b2,e2]=ret[j];
            if(c+2<c2){
                ck=1;
                break;
            }
            if(c+1<c2 && j>5){
                ck=1;
                break;
            }
            if(b2>=b && e2<=e){
                if(b2-b >30 || ((ll)w[b] << (b2-b)) >= w[b2]){
                    if(e-e2 > 30 || ((ll)w[e] << (e-e2)) >= w[e2] ){
                        ck=1;
                        break;
                    }
                }
            }
        }
        if(!ck)ret.pb(T[i]);
    }
    //printf("! %d\n",si(ret));
    return ret;
}
vc<t3> Leaf(int a){
    return {{1,a,a}};
}
void Get(int l, int r){
    vi T1, T2;
    int b=l+SZ,e=r+SZ;
    while(b<=e){
        if(b&1)T1.pb(b);
        if(!(e&1))T2.pb(e);
        b=(b+1)>>1,e=(e-1)>>1;
    }
    reverse(all(T2));
    for(auto &t:T2)T1.pb(t);
    auto ret = IT[T1[0]];
    rng(i,1,si(T1)-1){
        ret = Merge(ret, IT[T1[i]]);
    }
    ll SB = Sum(l-1);
    ll SE = Sum(r);
    int Mx=0;
    for(auto &[c1,b1,e1]: ret){
        int c=c1*2-1;
        if(Sum(b1-1)-SB > w[b1]) c++;
        if(SE-Sum(e1) > w[e1]) c++;
        Mx=max(Mx,c);
    }
    printf("%d\n",Mx);
}
void UDT(int i){
    int a = SZ+i;
    IT[a] = Leaf(i);
    while(a!=1){
        a>>=1;
        IT[a] = Merge(IT[a*2],IT[a*2+1]);
    }
}
void Solve(){
    scanf("%d",&n);
    rng(i,1,n){
        scanf("%d",&w[i]);
        Add(i,w[i]);
    }
    rng(i,1,n){
        UDT(i);
    }
    int Q;
    scanf("%d",&Q);
    while(Q--){
        int x, y, b, e;
        scanf("%d%d%d%d",&x,&y,&b,&e);
        Add(x,y-w[x]);
        w[x]=y;
        UDT(x);
        b++;
        Get(b,e);
    }
}
int main(){
    int TC=1;
    while(TC--){
        Solve();
    }
}

Compilation message

mizuyokan2.cpp: In function 'void Solve()':
mizuyokan2.cpp:180:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  180 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
mizuyokan2.cpp:182:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  182 |         scanf("%d",&w[i]);
      |         ~~~~~^~~~~~~~~~~~
mizuyokan2.cpp:189:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  189 |     scanf("%d",&Q);
      |     ~~~~~^~~~~~~~~
mizuyokan2.cpp:192:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  192 |         scanf("%d%d%d%d",&x,&y,&b,&e);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 14424 KB Output is correct
2 Correct 6 ms 14424 KB Output is correct
3 Correct 9 ms 14688 KB Output is correct
4 Correct 9 ms 14684 KB Output is correct
5 Correct 8 ms 14684 KB Output is correct
6 Correct 8 ms 14680 KB Output is correct
7 Correct 369 ms 15704 KB Output is correct
8 Correct 164 ms 15036 KB Output is correct
9 Correct 31 ms 14680 KB Output is correct
10 Correct 276 ms 17316 KB Output is correct
11 Correct 102 ms 15168 KB Output is correct
12 Correct 81 ms 15088 KB Output is correct
13 Correct 8 ms 14680 KB Output is correct
14 Correct 10 ms 14684 KB Output is correct
15 Correct 11 ms 14704 KB Output is correct
16 Correct 12 ms 14684 KB Output is correct
17 Correct 10 ms 14684 KB Output is correct
18 Correct 12 ms 14712 KB Output is correct
19 Correct 12 ms 14696 KB Output is correct
20 Correct 10 ms 14684 KB Output is correct
21 Correct 12 ms 14684 KB Output is correct

Subtask #2
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 14424 KB Output is correct
2 Correct 6 ms 14424 KB Output is correct
3 Correct 9 ms 14688 KB Output is correct
4 Correct 9 ms 14684 KB Output is correct
5 Correct 8 ms 14684 KB Output is correct
6 Correct 8 ms 14680 KB Output is correct
7 Correct 369 ms 15704 KB Output is correct
8 Correct 164 ms 15036 KB Output is correct
9 Correct 31 ms 14680 KB Output is correct
10 Correct 276 ms 17316 KB Output is correct
11 Correct 102 ms 15168 KB Output is correct
12 Correct 81 ms 15088 KB Output is correct
13 Correct 8 ms 14680 KB Output is correct
14 Correct 10 ms 14684 KB Output is correct
15 Correct 11 ms 14704 KB Output is correct
16 Correct 12 ms 14684 KB Output is correct
17 Correct 10 ms 14684 KB Output is correct
18 Correct 12 ms 14712 KB Output is correct
19 Correct 12 ms 14696 KB Output is correct
20 Correct 10 ms 14684 KB Output is correct
21 Correct 12 ms 14684 KB Output is correct
22 Correct 27 ms 14684 KB Output is correct
23 Correct 33 ms 15096 KB Output is correct
24 Correct 43 ms 14812 KB Output is correct
25 Correct 48 ms 14680 KB Output is correct
26 Execution timed out 4016 ms 17712 KB Time limit exceeded
27 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 14424 KB Output is correct
2 Correct 6 ms 14424 KB Output is correct
3 Correct 9 ms 14688 KB Output is correct
4 Correct 9 ms 14684 KB Output is correct
5 Correct 8 ms 14684 KB Output is correct
6 Correct 8 ms 14680 KB Output is correct
7 Correct 369 ms 15704 KB Output is correct
8 Correct 164 ms 15036 KB Output is correct
9 Correct 31 ms 14680 KB Output is correct
10 Correct 276 ms 17316 KB Output is correct
11 Correct 102 ms 15168 KB Output is correct
12 Correct 81 ms 15088 KB Output is correct
13 Correct 8 ms 14680 KB Output is correct
14 Correct 10 ms 14684 KB Output is correct
15 Correct 11 ms 14704 KB Output is correct
16 Correct 12 ms 14684 KB Output is correct
17 Correct 10 ms 14684 KB Output is correct
18 Correct 12 ms 14712 KB Output is correct
19 Correct 12 ms 14696 KB Output is correct
20 Correct 10 ms 14684 KB Output is correct
21 Correct 12 ms 14684 KB Output is correct
22 Correct 27 ms 14684 KB Output is correct
23 Correct 33 ms 15096 KB Output is correct
24 Correct 43 ms 14812 KB Output is correct
25 Correct 48 ms 14680 KB Output is correct
26 Execution timed out 4016 ms 17712 KB Time limit exceeded
27 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 14428 KB Output is correct
2 Execution timed out 4075 ms 31880 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 14424 KB Output is correct
2 Correct 6 ms 14428 KB Output is correct
3 Execution timed out 4066 ms 32424 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 14424 KB Output is correct
2 Correct 6 ms 14424 KB Output is correct
3 Correct 9 ms 14688 KB Output is correct
4 Correct 9 ms 14684 KB Output is correct
5 Correct 8 ms 14684 KB Output is correct
6 Correct 8 ms 14680 KB Output is correct
7 Correct 369 ms 15704 KB Output is correct
8 Correct 164 ms 15036 KB Output is correct
9 Correct 31 ms 14680 KB Output is correct
10 Correct 276 ms 17316 KB Output is correct
11 Correct 102 ms 15168 KB Output is correct
12 Correct 81 ms 15088 KB Output is correct
13 Correct 8 ms 14680 KB Output is correct
14 Correct 10 ms 14684 KB Output is correct
15 Correct 11 ms 14704 KB Output is correct
16 Correct 12 ms 14684 KB Output is correct
17 Correct 10 ms 14684 KB Output is correct
18 Correct 12 ms 14712 KB Output is correct
19 Correct 12 ms 14696 KB Output is correct
20 Correct 10 ms 14684 KB Output is correct
21 Correct 12 ms 14684 KB Output is correct
22 Correct 27 ms 14684 KB Output is correct
23 Correct 33 ms 15096 KB Output is correct
24 Correct 43 ms 14812 KB Output is correct
25 Correct 48 ms 14680 KB Output is correct
26 Execution timed out 4016 ms 17712 KB Time limit exceeded
27 Halted 0 ms 0 KB -