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답안 #764409

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
764409 2023-06-23T11:28:13 Z bachhoangxuan Fish 2 (JOI22_fish2) C++17
100 / 100
 551 ms 223140 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=add(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 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 2 ms 1108 KB Output is correct
6 Correct 2 ms 1108 KB Output is correct
7 Correct 2 ms 1104 KB Output is correct
8 Correct 1 ms 1108 KB Output is correct
9 Correct 2 ms 1100 KB Output is correct
10 Correct 2 ms 1108 KB Output is correct
11 Correct 1 ms 1108 KB Output is correct
12 Correct 1 ms 1108 KB Output is correct
13 Correct 1 ms 1108 KB Output is correct
14 Correct 2 ms 1104 KB Output is correct
15 Correct 1 ms 1108 KB Output is correct
16 Correct 2 ms 1108 KB Output is correct
17 Correct 1 ms 1108 KB Output is correct
18 Correct 1 ms 1108 KB Output is correct
19 Correct 1 ms 1108 KB Output is correct
20 Correct 1 ms 1108 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 82 ms 220208 KB Output is correct
3 Correct 93 ms 220516 KB Output is correct
4 Correct 96 ms 220824 KB Output is correct
5 Correct 83 ms 220608 KB Output is correct
6 Correct 89 ms 221148 KB Output is correct
7 Correct 93 ms 220564 KB Output is correct
8 Correct 88 ms 221128 KB Output is correct
9 Correct 92 ms 220396 KB Output is correct
10 Correct 89 ms 220816 KB Output is correct
11 Correct 95 ms 220492 KB Output is correct
12 Correct 88 ms 220488 KB Output is correct
13 Correct 85 ms 220516 KB Output is correct
14 Correct 103 ms 220748 KB Output is correct
15 Correct 88 ms 220824 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 2 ms 1108 KB Output is correct
6 Correct 2 ms 1108 KB Output is correct
7 Correct 2 ms 1104 KB Output is correct
8 Correct 1 ms 1108 KB Output is correct
9 Correct 2 ms 1100 KB Output is correct
10 Correct 2 ms 1108 KB Output is correct
11 Correct 1 ms 1108 KB Output is correct
12 Correct 1 ms 1108 KB Output is correct
13 Correct 1 ms 1108 KB Output is correct
14 Correct 2 ms 1104 KB Output is correct
15 Correct 1 ms 1108 KB Output is correct
16 Correct 2 ms 1108 KB Output is correct
17 Correct 1 ms 1108 KB Output is correct
18 Correct 1 ms 1108 KB Output is correct
19 Correct 1 ms 1108 KB Output is correct
20 Correct 1 ms 1108 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 82 ms 220208 KB Output is correct
23 Correct 93 ms 220516 KB Output is correct
24 Correct 96 ms 220824 KB Output is correct
25 Correct 83 ms 220608 KB Output is correct
26 Correct 89 ms 221148 KB Output is correct
27 Correct 93 ms 220564 KB Output is correct
28 Correct 88 ms 221128 KB Output is correct
29 Correct 92 ms 220396 KB Output is correct
30 Correct 89 ms 220816 KB Output is correct
31 Correct 95 ms 220492 KB Output is correct
32 Correct 88 ms 220488 KB Output is correct
33 Correct 85 ms 220516 KB Output is correct
34 Correct 103 ms 220748 KB Output is correct
35 Correct 88 ms 220824 KB Output is correct
36 Correct 90 ms 220784 KB Output is correct
37 Correct 96 ms 220548 KB Output is correct
38 Correct 93 ms 220596 KB Output is correct
39 Correct 95 ms 220780 KB Output is correct
40 Correct 90 ms 220560 KB Output is correct
41 Correct 91 ms 221196 KB Output is correct
42 Correct 91 ms 221128 KB Output is correct
43 Correct 90 ms 220408 KB Output is correct
44 Correct 89 ms 220404 KB Output is correct
45 Correct 92 ms 220748 KB Output is correct
46 Correct 95 ms 220736 KB Output is correct
47 Correct 95 ms 220488 KB Output is correct
48 Correct 91 ms 220492 KB Output is correct
49 Correct 87 ms 220436 KB Output is correct
50 Correct 90 ms 220816 KB Output is correct
51 Correct 90 ms 220784 KB Output is correct
52 Correct 94 ms 220876 KB Output is correct

Subtask #4
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 82 ms 220208 KB Output is correct
3 Correct 93 ms 220516 KB Output is correct
4 Correct 96 ms 220824 KB Output is correct
5 Correct 83 ms 220608 KB Output is correct
6 Correct 89 ms 221148 KB Output is correct
7 Correct 93 ms 220564 KB Output is correct
8 Correct 88 ms 221128 KB Output is correct
9 Correct 92 ms 220396 KB Output is correct
10 Correct 89 ms 220816 KB Output is correct
11 Correct 95 ms 220492 KB Output is correct
12 Correct 88 ms 220488 KB Output is correct
13 Correct 85 ms 220516 KB Output is correct
14 Correct 103 ms 220748 KB Output is correct
15 Correct 88 ms 220824 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 541 ms 222292 KB Output is correct
18 Correct 484 ms 222592 KB Output is correct
19 Correct 501 ms 222204 KB Output is correct
20 Correct 524 ms 222440 KB Output is correct
21 Correct 529 ms 222200 KB Output is correct
22 Correct 470 ms 222540 KB Output is correct
23 Correct 550 ms 222320 KB Output is correct
24 Correct 518 ms 222512 KB Output is correct
25 Correct 507 ms 222228 KB Output is correct
26 Correct 520 ms 222204 KB Output is correct
27 Correct 324 ms 223140 KB Output is correct
28 Correct 316 ms 223136 KB Output is correct
29 Correct 318 ms 223052 KB Output is correct
30 Correct 425 ms 222024 KB Output is correct
31 Correct 411 ms 222028 KB Output is correct
32 Correct 523 ms 222172 KB Output is correct
33 Correct 545 ms 222656 KB Output is correct
34 Correct 533 ms 222160 KB Output is correct
35 Correct 511 ms 222120 KB Output is correct
36 Correct 531 ms 222720 KB Output is correct
37 Correct 287 ms 221972 KB Output is correct
38 Correct 276 ms 222156 KB Output is correct
39 Correct 339 ms 222668 KB Output is correct
40 Correct 331 ms 222792 KB Output is correct

Subtask #5
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 82 ms 220208 KB Output is correct
3 Correct 93 ms 220516 KB Output is correct
4 Correct 96 ms 220824 KB Output is correct
5 Correct 83 ms 220608 KB Output is correct
6 Correct 89 ms 221148 KB Output is correct
7 Correct 93 ms 220564 KB Output is correct
8 Correct 88 ms 221128 KB Output is correct
9 Correct 92 ms 220396 KB Output is correct
10 Correct 89 ms 220816 KB Output is correct
11 Correct 95 ms 220492 KB Output is correct
12 Correct 88 ms 220488 KB Output is correct
13 Correct 85 ms 220516 KB Output is correct
14 Correct 103 ms 220748 KB Output is correct
15 Correct 88 ms 220824 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 381 ms 221788 KB Output is correct
18 Correct 371 ms 222316 KB Output is correct
19 Correct 307 ms 221812 KB Output is correct
20 Correct 294 ms 222192 KB Output is correct
21 Correct 384 ms 221836 KB Output is correct
22 Correct 369 ms 222304 KB Output is correct
23 Correct 382 ms 221700 KB Output is correct
24 Correct 341 ms 222396 KB Output is correct
25 Correct 345 ms 221676 KB Output is correct
26 Correct 239 ms 222896 KB Output is correct
27 Correct 292 ms 222956 KB Output is correct
28 Correct 286 ms 222156 KB Output is correct
29 Correct 270 ms 222916 KB Output is correct
30 Correct 298 ms 222920 KB Output is correct
31 Correct 311 ms 222136 KB Output is correct
32 Correct 347 ms 222228 KB Output is correct
33 Correct 346 ms 221748 KB Output is correct
34 Correct 368 ms 222560 KB Output is correct
35 Correct 312 ms 222148 KB Output is correct
36 Correct 322 ms 222244 KB Output is correct
37 Correct 283 ms 221888 KB Output is correct
38 Correct 243 ms 221904 KB Output is correct
39 Correct 246 ms 222480 KB Output is correct
40 Correct 158 ms 222480 KB Output is correct

Subtask #6
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 2 ms 1108 KB Output is correct
6 Correct 2 ms 1108 KB Output is correct
7 Correct 2 ms 1104 KB Output is correct
8 Correct 1 ms 1108 KB Output is correct
9 Correct 2 ms 1100 KB Output is correct
10 Correct 2 ms 1108 KB Output is correct
11 Correct 1 ms 1108 KB Output is correct
12 Correct 1 ms 1108 KB Output is correct
13 Correct 1 ms 1108 KB Output is correct
14 Correct 2 ms 1104 KB Output is correct
15 Correct 1 ms 1108 KB Output is correct
16 Correct 2 ms 1108 KB Output is correct
17 Correct 1 ms 1108 KB Output is correct
18 Correct 1 ms 1108 KB Output is correct
19 Correct 1 ms 1108 KB Output is correct
20 Correct 1 ms 1108 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 82 ms 220208 KB Output is correct
23 Correct 93 ms 220516 KB Output is correct
24 Correct 96 ms 220824 KB Output is correct
25 Correct 83 ms 220608 KB Output is correct
26 Correct 89 ms 221148 KB Output is correct
27 Correct 93 ms 220564 KB Output is correct
28 Correct 88 ms 221128 KB Output is correct
29 Correct 92 ms 220396 KB Output is correct
30 Correct 89 ms 220816 KB Output is correct
31 Correct 95 ms 220492 KB Output is correct
32 Correct 88 ms 220488 KB Output is correct
33 Correct 85 ms 220516 KB Output is correct
34 Correct 103 ms 220748 KB Output is correct
35 Correct 88 ms 220824 KB Output is correct
36 Correct 90 ms 220784 KB Output is correct
37 Correct 96 ms 220548 KB Output is correct
38 Correct 93 ms 220596 KB Output is correct
39 Correct 95 ms 220780 KB Output is correct
40 Correct 90 ms 220560 KB Output is correct
41 Correct 91 ms 221196 KB Output is correct
42 Correct 91 ms 221128 KB Output is correct
43 Correct 90 ms 220408 KB Output is correct
44 Correct 89 ms 220404 KB Output is correct
45 Correct 92 ms 220748 KB Output is correct
46 Correct 95 ms 220736 KB Output is correct
47 Correct 95 ms 220488 KB Output is correct
48 Correct 91 ms 220492 KB Output is correct
49 Correct 87 ms 220436 KB Output is correct
50 Correct 90 ms 220816 KB Output is correct
51 Correct 90 ms 220784 KB Output is correct
52 Correct 94 ms 220876 KB Output is correct
53 Correct 0 ms 340 KB Output is correct
54 Correct 541 ms 222292 KB Output is correct
55 Correct 484 ms 222592 KB Output is correct
56 Correct 501 ms 222204 KB Output is correct
57 Correct 524 ms 222440 KB Output is correct
58 Correct 529 ms 222200 KB Output is correct
59 Correct 470 ms 222540 KB Output is correct
60 Correct 550 ms 222320 KB Output is correct
61 Correct 518 ms 222512 KB Output is correct
62 Correct 507 ms 222228 KB Output is correct
63 Correct 520 ms 222204 KB Output is correct
64 Correct 324 ms 223140 KB Output is correct
65 Correct 316 ms 223136 KB Output is correct
66 Correct 318 ms 223052 KB Output is correct
67 Correct 425 ms 222024 KB Output is correct
68 Correct 411 ms 222028 KB Output is correct
69 Correct 523 ms 222172 KB Output is correct
70 Correct 545 ms 222656 KB Output is correct
71 Correct 533 ms 222160 KB Output is correct
72 Correct 511 ms 222120 KB Output is correct
73 Correct 531 ms 222720 KB Output is correct
74 Correct 287 ms 221972 KB Output is correct
75 Correct 276 ms 222156 KB Output is correct
76 Correct 339 ms 222668 KB Output is correct
77 Correct 331 ms 222792 KB Output is correct
78 Correct 1 ms 340 KB Output is correct
79 Correct 381 ms 221788 KB Output is correct
80 Correct 371 ms 222316 KB Output is correct
81 Correct 307 ms 221812 KB Output is correct
82 Correct 294 ms 222192 KB Output is correct
83 Correct 384 ms 221836 KB Output is correct
84 Correct 369 ms 222304 KB Output is correct
85 Correct 382 ms 221700 KB Output is correct
86 Correct 341 ms 222396 KB Output is correct
87 Correct 345 ms 221676 KB Output is correct
88 Correct 239 ms 222896 KB Output is correct
89 Correct 292 ms 222956 KB Output is correct
90 Correct 286 ms 222156 KB Output is correct
91 Correct 270 ms 222916 KB Output is correct
92 Correct 298 ms 222920 KB Output is correct
93 Correct 311 ms 222136 KB Output is correct
94 Correct 347 ms 222228 KB Output is correct
95 Correct 346 ms 221748 KB Output is correct
96 Correct 368 ms 222560 KB Output is correct
97 Correct 312 ms 222148 KB Output is correct
98 Correct 322 ms 222244 KB Output is correct
99 Correct 283 ms 221888 KB Output is correct
100 Correct 243 ms 221904 KB Output is correct
101 Correct 246 ms 222480 KB Output is correct
102 Correct 158 ms 222480 KB Output is correct
103 Correct 472 ms 221780 KB Output is correct
104 Correct 369 ms 222448 KB Output is correct
105 Correct 517 ms 222372 KB Output is correct
106 Correct 428 ms 222348 KB Output is correct
107 Correct 470 ms 221660 KB Output is correct
108 Correct 371 ms 222468 KB Output is correct
109 Correct 494 ms 222172 KB Output is correct
110 Correct 444 ms 222548 KB Output is correct
111 Correct 551 ms 222424 KB Output is correct
112 Correct 445 ms 222248 KB Output is correct
113 Correct 329 ms 222932 KB Output is correct
114 Correct 343 ms 223092 KB Output is correct
115 Correct 365 ms 222204 KB Output is correct
116 Correct 392 ms 222300 KB Output is correct
117 Correct 324 ms 223052 KB Output is correct
118 Correct 411 ms 222376 KB Output is correct
119 Correct 318 ms 222984 KB Output is correct
120 Correct 392 ms 222236 KB Output is correct
121 Correct 390 ms 222228 KB Output is correct
122 Correct 387 ms 222304 KB Output is correct
123 Correct 486 ms 221864 KB Output is correct
124 Correct 429 ms 222316 KB Output is correct
125 Correct 517 ms 222276 KB Output is correct
126 Correct 453 ms 222240 KB Output is correct
127 Correct 367 ms 222004 KB Output is correct
128 Correct 319 ms 222196 KB Output is correct
129 Correct 345 ms 222756 KB Output is correct
130 Correct 325 ms 222608 KB Output is correct