oj.uz

답안 #843557

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
843557 2023-09-04T05:36:00 Z daoquanglinh2007 Fish 2 (JOI22_fish2) C++17
100 / 100
 563 ms 441212 KB 
// Judges with GCC >= 12 only needs Ofast
// #pragma GCC optimize("O3,no-stack-protector,fast-math,unroll-loops,tree-vectorize")
// MLE optimization
// #pragma GCC optimize("conserve-stack")
// Old judges
// #pragma GCC target("sse4.2,popcnt,lzcnt,abm,mmx,fma,bmi,bmi2")
// New judges. Test with assert(__builtin_cpu_supports("avx2"));
// #pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma,tune=native")
// Atcoder
// #pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma")
/*
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
- insert(x),
- find_by_order(k): return iterator to the k-th smallest element
- order_of_key(x): the number of elements that are strictly smaller
*/
#include<bits/stdc++.h>
using namespace std;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
uniform_real_distribution<> pp(0.0,1.0);
#define int long long
#define ld long double
#define pii pair<int,int>
#define piii pair<pii,int>
#define mpp make_pair
#define fi first
#define se second
const int inf=1e9;
const int mod=1e9+7;
const int maxn=100005;
const int bl=650;
const int maxs=655;
const int maxm=200005;
const int maxq=500005;
const int maxl=35;
const int maxa=250000;
const int root=3;
/*
int power(int a,int n){
    int res=1;
    while(n){
        if(n&1) res=res*a%mod;
        a=a*a%mod;n>>=1;
    }
    return res;
}
const int iroot=power(3,mod-2);
*/
const int base=101;
int n,f[maxn];
struct node{
    int pl[maxl],pr[maxl],cl[maxl],cr[maxl],sl[maxl],sr[maxl];
    int szl,szr,sum,cnt;
    node(){}
    void reset(int x){
        szl=szr=1;
        pl[0]=pr[0]=x;
        sl[0]=sr[0]=cl[0]=cr[0]=0;
        sum=f[x];cnt=1;
    }
    void print(int l,int r){
        cout << '*' << l << ' ' << r << '\n';
        cout << sum << ' ' << cnt << '\n';
        cout << "#rr\n";
        for(int i=0;i<szr;i++) cout << pr[i] << ' ' << cr[i] << ' ' << sr[i] << '\n';
        cout << "#ll\n";
        for(int i=0;i<szl;i++) cout << pl[i] << ' ' << cl[i] << ' ' << sl[i] << '\n';
    }
};

namespace Segtree{
    node tree[4*maxn];
    node s[2];
    int st=-1;
    int add(int a,int b){
        return min(a+b,inf);
    }
    void merge(node &res,node &a,node &b){
        res.szl=a.szl;res.szr=b.szr;
        res.sum=a.sum+b.sum;
        res.cnt=0;
        for(int i=0;i<res.szl;i++) res.pl[i]=a.pl[i],res.cl[i]=a.cl[i],res.sl[i]=a.sl[i];
        for(int i=0;i<res.szr;i++) res.pr[i]=b.pr[i],res.cr[i]=b.cr[i],res.sr[i]=b.sr[i];
        int len=0,ok=0;
        if(a.sum>b.sum){
            int cur=b.sum;len=res.szr;ok=0;
            for(int i=0;i<a.szr;i++){
                if(cur+a.sr[i]<f[a.pr[i]]){
                    res.pr[res.szr]=a.pr[i];
                    res.sr[res.szr]=add(cur,a.sr[i]);
                    res.cr[res.szr++]=0;
                }
            }
        }
        else{
            int cur=a.sum;len=res.szl;ok=1;
            for(int i=0;i<b.szl;i++){
                if(cur+b.sl[i]<f[b.pl[i]]){
                    res.pl[res.szl]=b.pl[i];
                    res.sl[res.szl]=add(cur,b.sl[i]);
                    res.cl[res.szl++]=0;
                }
            }
        }
        b.sl[b.szl]=b.sum;b.cl[b.szl]=b.cnt;
        a.sr[a.szr]=a.sum;a.cr[a.szr]=a.cnt;
        int ca=0,cb=0,cc=len;
        auto fix = [&](int val){
            while(true){
                if(ca<a.szr && a.sr[ca]+b.sl[cb]>=f[a.pr[ca]]) ca++;
                else if(cb<b.szl && a.sr[ca]+b.sl[cb]>=f[b.pl[cb]]) cb++;
                else break;
            }
            if(ok && ca==a.szr){
                while(cc<res.szl && (cb==b.szl || res.pl[cc]<b.pl[cb])) cc++;
                if(cc<res.szl) res.cl[cc]+=val;
                else res.cnt+=val;
            }
            if(!ok && cb==b.szl){
                while(cc<res.szr && (ca==a.szr || res.pr[cc]>a.pr[ca])) cc++;
                if(cc<res.szr) res.cr[cc]+=val;
                else res.cnt+=val;
            }
        };
        for(int i=1;i<=a.szr;i++){
            ca=max(ca,i);
            fix(a.cr[i]);
        }
        ca=cb=0;cc=len;
        for(int i=1;i<=b.szl;i++){
            cb=max(cb,i);
            fix(b.cl[i]);
        }
    }
    void query(int l,int r,int id,int tl,int tr){
        if(r<tl || tr<l) return;
        if(tl<=l && r<=tr){
            if(st==-1) s[0]=tree[id],st=0;
            else st^=1,merge(s[st],s[st^1],tree[id]);
            return;
        }
        int mid=(l+r)>>1;
        query(l,mid,id<<1,tl,tr);query(mid+1,r,id<<1|1,tl,tr);
    }
    int query(int l,int r){
        st=-1;query(1,n,1,l,r);
        return s[st].cnt;
    }
    void update(int l,int r,int id,int pos){
        if(l==r){
            tree[id].reset(l);
            return;
        }
        int mid=(l+r)>>1;
        if(pos<=mid) update(l,mid,id<<1,pos);
        else update(mid+1,r,id<<1|1,pos);
        merge(tree[id],tree[id<<1],tree[id<<1|1]);
    }
    void build(int l,int r,int id){
        if(l==r){
            tree[id].reset(l);
            return;
        }
        int mid=(l+r)>>1;
        build(l,mid,id<<1);build(mid+1,r,id<<1|1);
        merge(tree[id],tree[id<<1],tree[id<<1|1]);
        //tree[id].print(l,r);
    }
}
void solve(){
    cin >> n;
    for(int i=1;i<=n;i++) cin >> f[i];
    Segtree::build(1,n,1);
    int q;cin >> q;
    for(int i=1;i<=q;i++){
        int t,x,y;cin >> t >> x >> y;
        if(t==1) f[x]=y,Segtree::update(1,n,1,x);
        else cout << Segtree::query(x,y) << '\n';
    }
}
signed main(){
    //freopen("input.txt","r",stdin);
    //freopen("out.txt","w",stdout);
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);cout.tie(NULL);
    int test=1;//cin >> test;
    while(test--) solve();
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 2904 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 2 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 1 ms 2904 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 1 ms 2652 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 1 ms 2652 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 1 ms 2652 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 61 ms 440388 KB Output is correct
3 Correct 57 ms 440468 KB Output is correct
4 Correct 58 ms 440364 KB Output is correct
5 Correct 55 ms 440400 KB Output is correct
6 Correct 58 ms 440532 KB Output is correct
7 Correct 55 ms 440404 KB Output is correct
8 Correct 61 ms 440388 KB Output is correct
9 Correct 55 ms 440400 KB Output is correct
10 Correct 60 ms 440400 KB Output is correct
11 Correct 56 ms 440328 KB Output is correct
12 Correct 58 ms 440400 KB Output is correct
13 Correct 55 ms 440460 KB Output is correct
14 Correct 55 ms 440400 KB Output is correct
15 Correct 58 ms 440400 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 2904 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 2 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 1 ms 2904 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 1 ms 2652 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 1 ms 2652 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 1 ms 2652 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 61 ms 440388 KB Output is correct
23 Correct 57 ms 440468 KB Output is correct
24 Correct 58 ms 440364 KB Output is correct
25 Correct 55 ms 440400 KB Output is correct
26 Correct 58 ms 440532 KB Output is correct
27 Correct 55 ms 440404 KB Output is correct
28 Correct 61 ms 440388 KB Output is correct
29 Correct 55 ms 440400 KB Output is correct
30 Correct 60 ms 440400 KB Output is correct
31 Correct 56 ms 440328 KB Output is correct
32 Correct 58 ms 440400 KB Output is correct
33 Correct 55 ms 440460 KB Output is correct
34 Correct 55 ms 440400 KB Output is correct
35 Correct 58 ms 440400 KB Output is correct
36 Correct 62 ms 440400 KB Output is correct
37 Correct 62 ms 440352 KB Output is correct
38 Correct 61 ms 440424 KB Output is correct
39 Correct 61 ms 440404 KB Output is correct
40 Correct 62 ms 440500 KB Output is correct
41 Correct 62 ms 440352 KB Output is correct
42 Correct 61 ms 440384 KB Output is correct
43 Correct 60 ms 440400 KB Output is correct
44 Correct 59 ms 440400 KB Output is correct
45 Correct 64 ms 440400 KB Output is correct
46 Correct 64 ms 440380 KB Output is correct
47 Correct 64 ms 440528 KB Output is correct
48 Correct 60 ms 440912 KB Output is correct
49 Correct 57 ms 440304 KB Output is correct
50 Correct 60 ms 440400 KB Output is correct
51 Correct 60 ms 440532 KB Output is correct
52 Correct 59 ms 440484 KB Output is correct

Subtask #4
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 61 ms 440388 KB Output is correct
3 Correct 57 ms 440468 KB Output is correct
4 Correct 58 ms 440364 KB Output is correct
5 Correct 55 ms 440400 KB Output is correct
6 Correct 58 ms 440532 KB Output is correct
7 Correct 55 ms 440404 KB Output is correct
8 Correct 61 ms 440388 KB Output is correct
9 Correct 55 ms 440400 KB Output is correct
10 Correct 60 ms 440400 KB Output is correct
11 Correct 56 ms 440328 KB Output is correct
12 Correct 58 ms 440400 KB Output is correct
13 Correct 55 ms 440460 KB Output is correct
14 Correct 55 ms 440400 KB Output is correct
15 Correct 58 ms 440400 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 508 ms 441140 KB Output is correct
18 Correct 416 ms 440760 KB Output is correct
19 Correct 476 ms 440660 KB Output is correct
20 Correct 509 ms 441128 KB Output is correct
21 Correct 493 ms 440792 KB Output is correct
22 Correct 443 ms 440832 KB Output is correct
23 Correct 500 ms 441096 KB Output is correct
24 Correct 500 ms 440844 KB Output is correct
25 Correct 493 ms 440828 KB Output is correct
26 Correct 510 ms 440976 KB Output is correct
27 Correct 285 ms 441048 KB Output is correct
28 Correct 289 ms 440912 KB Output is correct
29 Correct 285 ms 441040 KB Output is correct
30 Correct 388 ms 440660 KB Output is correct
31 Correct 391 ms 440656 KB Output is correct
32 Correct 522 ms 441212 KB Output is correct
33 Correct 563 ms 440912 KB Output is correct
34 Correct 517 ms 440844 KB Output is correct
35 Correct 504 ms 440764 KB Output is correct
36 Correct 531 ms 440916 KB Output is correct
37 Correct 261 ms 440656 KB Output is correct
38 Correct 237 ms 440660 KB Output is correct
39 Correct 318 ms 441048 KB Output is correct
40 Correct 271 ms 440912 KB Output is correct

Subtask #5
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 61 ms 440388 KB Output is correct
3 Correct 57 ms 440468 KB Output is correct
4 Correct 58 ms 440364 KB Output is correct
5 Correct 55 ms 440400 KB Output is correct
6 Correct 58 ms 440532 KB Output is correct
7 Correct 55 ms 440404 KB Output is correct
8 Correct 61 ms 440388 KB Output is correct
9 Correct 55 ms 440400 KB Output is correct
10 Correct 60 ms 440400 KB Output is correct
11 Correct 56 ms 440328 KB Output is correct
12 Correct 58 ms 440400 KB Output is correct
13 Correct 55 ms 440460 KB Output is correct
14 Correct 55 ms 440400 KB Output is correct
15 Correct 58 ms 440400 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 371 ms 440832 KB Output is correct
18 Correct 323 ms 440572 KB Output is correct
19 Correct 283 ms 441208 KB Output is correct
20 Correct 252 ms 440548 KB Output is correct
21 Correct 362 ms 440584 KB Output is correct
22 Correct 338 ms 440420 KB Output is correct
23 Correct 364 ms 440840 KB Output is correct
24 Correct 320 ms 440860 KB Output is correct
25 Correct 354 ms 440580 KB Output is correct
26 Correct 217 ms 440868 KB Output is correct
27 Correct 259 ms 440576 KB Output is correct
28 Correct 241 ms 440744 KB Output is correct
29 Correct 269 ms 440660 KB Output is correct
30 Correct 269 ms 440688 KB Output is correct
31 Correct 291 ms 440812 KB Output is correct
32 Correct 323 ms 440396 KB Output is correct
33 Correct 341 ms 440928 KB Output is correct
34 Correct 304 ms 440404 KB Output is correct
35 Correct 285 ms 440648 KB Output is correct
36 Correct 278 ms 440576 KB Output is correct
37 Correct 262 ms 440656 KB Output is correct
38 Correct 197 ms 440912 KB Output is correct
39 Correct 217 ms 440656 KB Output is correct
40 Correct 130 ms 440920 KB Output is correct

Subtask #6
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 2904 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 2 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 1 ms 2904 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 1 ms 2652 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 1 ms 2652 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 1 ms 2652 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 61 ms 440388 KB Output is correct
23 Correct 57 ms 440468 KB Output is correct
24 Correct 58 ms 440364 KB Output is correct
25 Correct 55 ms 440400 KB Output is correct
26 Correct 58 ms 440532 KB Output is correct
27 Correct 55 ms 440404 KB Output is correct
28 Correct 61 ms 440388 KB Output is correct
29 Correct 55 ms 440400 KB Output is correct
30 Correct 60 ms 440400 KB Output is correct
31 Correct 56 ms 440328 KB Output is correct
32 Correct 58 ms 440400 KB Output is correct
33 Correct 55 ms 440460 KB Output is correct
34 Correct 55 ms 440400 KB Output is correct
35 Correct 58 ms 440400 KB Output is correct
36 Correct 62 ms 440400 KB Output is correct
37 Correct 62 ms 440352 KB Output is correct
38 Correct 61 ms 440424 KB Output is correct
39 Correct 61 ms 440404 KB Output is correct
40 Correct 62 ms 440500 KB Output is correct
41 Correct 62 ms 440352 KB Output is correct
42 Correct 61 ms 440384 KB Output is correct
43 Correct 60 ms 440400 KB Output is correct
44 Correct 59 ms 440400 KB Output is correct
45 Correct 64 ms 440400 KB Output is correct
46 Correct 64 ms 440380 KB Output is correct
47 Correct 64 ms 440528 KB Output is correct
48 Correct 60 ms 440912 KB Output is correct
49 Correct 57 ms 440304 KB Output is correct
50 Correct 60 ms 440400 KB Output is correct
51 Correct 60 ms 440532 KB Output is correct
52 Correct 59 ms 440484 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 508 ms 441140 KB Output is correct
55 Correct 416 ms 440760 KB Output is correct
56 Correct 476 ms 440660 KB Output is correct
57 Correct 509 ms 441128 KB Output is correct
58 Correct 493 ms 440792 KB Output is correct
59 Correct 443 ms 440832 KB Output is correct
60 Correct 500 ms 441096 KB Output is correct
61 Correct 500 ms 440844 KB Output is correct
62 Correct 493 ms 440828 KB Output is correct
63 Correct 510 ms 440976 KB Output is correct
64 Correct 285 ms 441048 KB Output is correct
65 Correct 289 ms 440912 KB Output is correct
66 Correct 285 ms 441040 KB Output is correct
67 Correct 388 ms 440660 KB Output is correct
68 Correct 391 ms 440656 KB Output is correct
69 Correct 522 ms 441212 KB Output is correct
70 Correct 563 ms 440912 KB Output is correct
71 Correct 517 ms 440844 KB Output is correct
72 Correct 504 ms 440764 KB Output is correct
73 Correct 531 ms 440916 KB Output is correct
74 Correct 261 ms 440656 KB Output is correct
75 Correct 237 ms 440660 KB Output is correct
76 Correct 318 ms 441048 KB Output is correct
77 Correct 271 ms 440912 KB Output is correct
78 Correct 0 ms 348 KB Output is correct
79 Correct 371 ms 440832 KB Output is correct
80 Correct 323 ms 440572 KB Output is correct
81 Correct 283 ms 441208 KB Output is correct
82 Correct 252 ms 440548 KB Output is correct
83 Correct 362 ms 440584 KB Output is correct
84 Correct 338 ms 440420 KB Output is correct
85 Correct 364 ms 440840 KB Output is correct
86 Correct 320 ms 440860 KB Output is correct
87 Correct 354 ms 440580 KB Output is correct
88 Correct 217 ms 440868 KB Output is correct
89 Correct 259 ms 440576 KB Output is correct
90 Correct 241 ms 440744 KB Output is correct
91 Correct 269 ms 440660 KB Output is correct
92 Correct 269 ms 440688 KB Output is correct
93 Correct 291 ms 440812 KB Output is correct
94 Correct 323 ms 440396 KB Output is correct
95 Correct 341 ms 440928 KB Output is correct
96 Correct 304 ms 440404 KB Output is correct
97 Correct 285 ms 440648 KB Output is correct
98 Correct 278 ms 440576 KB Output is correct
99 Correct 262 ms 440656 KB Output is correct
100 Correct 197 ms 440912 KB Output is correct
101 Correct 217 ms 440656 KB Output is correct
102 Correct 130 ms 440920 KB Output is correct
103 Correct 445 ms 440532 KB Output is correct
104 Correct 356 ms 440648 KB Output is correct
105 Correct 488 ms 440764 KB Output is correct
106 Correct 422 ms 440932 KB Output is correct
107 Correct 466 ms 440544 KB Output is correct
108 Correct 372 ms 440556 KB Output is correct
109 Correct 486 ms 440772 KB Output is correct
110 Correct 387 ms 440696 KB Output is correct
111 Correct 500 ms 441016 KB Output is correct
112 Correct 429 ms 441040 KB Output is correct
113 Correct 293 ms 440676 KB Output is correct
114 Correct 282 ms 440868 KB Output is correct
115 Correct 349 ms 440616 KB Output is correct
116 Correct 358 ms 440796 KB Output is correct
117 Correct 279 ms 440868 KB Output is correct
118 Correct 379 ms 440920 KB Output is correct
119 Correct 289 ms 440572 KB Output is correct
120 Correct 351 ms 440852 KB Output is correct
121 Correct 365 ms 440808 KB Output is correct
122 Correct 355 ms 440536 KB Output is correct
123 Correct 468 ms 440660 KB Output is correct
124 Correct 398 ms 440660 KB Output is correct
125 Correct 485 ms 440968 KB Output is correct
126 Correct 440 ms 440660 KB Output is correct
127 Correct 354 ms 440792 KB Output is correct
128 Correct 295 ms 440732 KB Output is correct
129 Correct 326 ms 441140 KB Output is correct
130 Correct 291 ms 440936 KB Output is correct