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답안 #843485

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
843485 2023-09-04T03:33:39 Z adaawf Fish 2 (JOI22_fish2) C++14
100 / 100
 544 ms 221476 KB 
#include<bits/stdc++.h>
using namespace std;
#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;
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]);
    }
}
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(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);cout.tie(NULL);
    int test=1;
    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 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 2648 KB Output is correct
6 Correct 1 ms 2648 KB Output is correct
7 Correct 2 ms 2648 KB Output is correct
8 Correct 2 ms 2648 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2648 KB Output is correct
12 Correct 2 ms 2648 KB Output is correct
13 Correct 1 ms 2648 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2648 KB Output is correct
16 Correct 1 ms 2648 KB Output is correct
17 Correct 2 ms 2648 KB Output is correct
18 Correct 1 ms 2648 KB Output is correct
19 Correct 1 ms 2648 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 37 ms 220500 KB Output is correct
3 Correct 42 ms 220496 KB Output is correct
4 Correct 39 ms 220496 KB Output is correct
5 Correct 43 ms 220496 KB Output is correct
6 Correct 38 ms 220500 KB Output is correct
7 Correct 35 ms 220500 KB Output is correct
8 Correct 38 ms 220532 KB Output is correct
9 Correct 43 ms 220496 KB Output is correct
10 Correct 38 ms 220496 KB Output is correct
11 Correct 36 ms 220496 KB Output is correct
12 Correct 44 ms 220476 KB Output is correct
13 Correct 38 ms 220500 KB Output is correct
14 Correct 36 ms 220496 KB Output is correct
15 Correct 40 ms 220496 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 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 2648 KB Output is correct
6 Correct 1 ms 2648 KB Output is correct
7 Correct 2 ms 2648 KB Output is correct
8 Correct 2 ms 2648 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2648 KB Output is correct
12 Correct 2 ms 2648 KB Output is correct
13 Correct 1 ms 2648 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2648 KB Output is correct
16 Correct 1 ms 2648 KB Output is correct
17 Correct 2 ms 2648 KB Output is correct
18 Correct 1 ms 2648 KB Output is correct
19 Correct 1 ms 2648 KB Output is correct
20 Correct 1 ms 2652 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 37 ms 220500 KB Output is correct
23 Correct 42 ms 220496 KB Output is correct
24 Correct 39 ms 220496 KB Output is correct
25 Correct 43 ms 220496 KB Output is correct
26 Correct 38 ms 220500 KB Output is correct
27 Correct 35 ms 220500 KB Output is correct
28 Correct 38 ms 220532 KB Output is correct
29 Correct 43 ms 220496 KB Output is correct
30 Correct 38 ms 220496 KB Output is correct
31 Correct 36 ms 220496 KB Output is correct
32 Correct 44 ms 220476 KB Output is correct
33 Correct 38 ms 220500 KB Output is correct
34 Correct 36 ms 220496 KB Output is correct
35 Correct 40 ms 220496 KB Output is correct
36 Correct 46 ms 220496 KB Output is correct
37 Correct 41 ms 220496 KB Output is correct
38 Correct 42 ms 220568 KB Output is correct
39 Correct 41 ms 220496 KB Output is correct
40 Correct 41 ms 220496 KB Output is correct
41 Correct 42 ms 220504 KB Output is correct
42 Correct 43 ms 220496 KB Output is correct
43 Correct 41 ms 220580 KB Output is correct
44 Correct 39 ms 220496 KB Output is correct
45 Correct 42 ms 220496 KB Output is correct
46 Correct 43 ms 220496 KB Output is correct
47 Correct 41 ms 220548 KB Output is correct
48 Correct 41 ms 220504 KB Output is correct
49 Correct 39 ms 220500 KB Output is correct
50 Correct 42 ms 220468 KB Output is correct
51 Correct 44 ms 220416 KB Output is correct
52 Correct 41 ms 220672 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 37 ms 220500 KB Output is correct
3 Correct 42 ms 220496 KB Output is correct
4 Correct 39 ms 220496 KB Output is correct
5 Correct 43 ms 220496 KB Output is correct
6 Correct 38 ms 220500 KB Output is correct
7 Correct 35 ms 220500 KB Output is correct
8 Correct 38 ms 220532 KB Output is correct
9 Correct 43 ms 220496 KB Output is correct
10 Correct 38 ms 220496 KB Output is correct
11 Correct 36 ms 220496 KB Output is correct
12 Correct 44 ms 220476 KB Output is correct
13 Correct 38 ms 220500 KB Output is correct
14 Correct 36 ms 220496 KB Output is correct
15 Correct 40 ms 220496 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 491 ms 220864 KB Output is correct
18 Correct 390 ms 221064 KB Output is correct
19 Correct 448 ms 220892 KB Output is correct
20 Correct 472 ms 220752 KB Output is correct
21 Correct 489 ms 220924 KB Output is correct
22 Correct 389 ms 221264 KB Output is correct
23 Correct 486 ms 221132 KB Output is correct
24 Correct 483 ms 220924 KB Output is correct
25 Correct 462 ms 220728 KB Output is correct
26 Correct 479 ms 220908 KB Output is correct
27 Correct 287 ms 221200 KB Output is correct
28 Correct 283 ms 220968 KB Output is correct
29 Correct 272 ms 221008 KB Output is correct
30 Correct 365 ms 220784 KB Output is correct
31 Correct 383 ms 220792 KB Output is correct
32 Correct 501 ms 220848 KB Output is correct
33 Correct 544 ms 221476 KB Output is correct
34 Correct 479 ms 221028 KB Output is correct
35 Correct 460 ms 220844 KB Output is correct
36 Correct 492 ms 220980 KB Output is correct
37 Correct 226 ms 220604 KB Output is correct
38 Correct 216 ms 220756 KB Output is correct
39 Correct 277 ms 221020 KB Output is correct
40 Correct 253 ms 221008 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 37 ms 220500 KB Output is correct
3 Correct 42 ms 220496 KB Output is correct
4 Correct 39 ms 220496 KB Output is correct
5 Correct 43 ms 220496 KB Output is correct
6 Correct 38 ms 220500 KB Output is correct
7 Correct 35 ms 220500 KB Output is correct
8 Correct 38 ms 220532 KB Output is correct
9 Correct 43 ms 220496 KB Output is correct
10 Correct 38 ms 220496 KB Output is correct
11 Correct 36 ms 220496 KB Output is correct
12 Correct 44 ms 220476 KB Output is correct
13 Correct 38 ms 220500 KB Output is correct
14 Correct 36 ms 220496 KB Output is correct
15 Correct 40 ms 220496 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 324 ms 220848 KB Output is correct
18 Correct 279 ms 220496 KB Output is correct
19 Correct 256 ms 220968 KB Output is correct
20 Correct 218 ms 220752 KB Output is correct
21 Correct 332 ms 220612 KB Output is correct
22 Correct 280 ms 220568 KB Output is correct
23 Correct 338 ms 220860 KB Output is correct
24 Correct 264 ms 220496 KB Output is correct
25 Correct 294 ms 220948 KB Output is correct
26 Correct 172 ms 220720 KB Output is correct
27 Correct 228 ms 220780 KB Output is correct
28 Correct 205 ms 220632 KB Output is correct
29 Correct 204 ms 220972 KB Output is correct
30 Correct 224 ms 220608 KB Output is correct
31 Correct 251 ms 221276 KB Output is correct
32 Correct 278 ms 220496 KB Output is correct
33 Correct 295 ms 220496 KB Output is correct
34 Correct 261 ms 220496 KB Output is correct
35 Correct 261 ms 220680 KB Output is correct
36 Correct 236 ms 220496 KB Output is correct
37 Correct 225 ms 220496 KB Output is correct
38 Correct 154 ms 220752 KB Output is correct
39 Correct 192 ms 220568 KB Output is correct
40 Correct 113 ms 221008 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 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 2648 KB Output is correct
6 Correct 1 ms 2648 KB Output is correct
7 Correct 2 ms 2648 KB Output is correct
8 Correct 2 ms 2648 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2648 KB Output is correct
12 Correct 2 ms 2648 KB Output is correct
13 Correct 1 ms 2648 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2648 KB Output is correct
16 Correct 1 ms 2648 KB Output is correct
17 Correct 2 ms 2648 KB Output is correct
18 Correct 1 ms 2648 KB Output is correct
19 Correct 1 ms 2648 KB Output is correct
20 Correct 1 ms 2652 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 37 ms 220500 KB Output is correct
23 Correct 42 ms 220496 KB Output is correct
24 Correct 39 ms 220496 KB Output is correct
25 Correct 43 ms 220496 KB Output is correct
26 Correct 38 ms 220500 KB Output is correct
27 Correct 35 ms 220500 KB Output is correct
28 Correct 38 ms 220532 KB Output is correct
29 Correct 43 ms 220496 KB Output is correct
30 Correct 38 ms 220496 KB Output is correct
31 Correct 36 ms 220496 KB Output is correct
32 Correct 44 ms 220476 KB Output is correct
33 Correct 38 ms 220500 KB Output is correct
34 Correct 36 ms 220496 KB Output is correct
35 Correct 40 ms 220496 KB Output is correct
36 Correct 46 ms 220496 KB Output is correct
37 Correct 41 ms 220496 KB Output is correct
38 Correct 42 ms 220568 KB Output is correct
39 Correct 41 ms 220496 KB Output is correct
40 Correct 41 ms 220496 KB Output is correct
41 Correct 42 ms 220504 KB Output is correct
42 Correct 43 ms 220496 KB Output is correct
43 Correct 41 ms 220580 KB Output is correct
44 Correct 39 ms 220496 KB Output is correct
45 Correct 42 ms 220496 KB Output is correct
46 Correct 43 ms 220496 KB Output is correct
47 Correct 41 ms 220548 KB Output is correct
48 Correct 41 ms 220504 KB Output is correct
49 Correct 39 ms 220500 KB Output is correct
50 Correct 42 ms 220468 KB Output is correct
51 Correct 44 ms 220416 KB Output is correct
52 Correct 41 ms 220672 KB Output is correct
53 Correct 0 ms 344 KB Output is correct
54 Correct 491 ms 220864 KB Output is correct
55 Correct 390 ms 221064 KB Output is correct
56 Correct 448 ms 220892 KB Output is correct
57 Correct 472 ms 220752 KB Output is correct
58 Correct 489 ms 220924 KB Output is correct
59 Correct 389 ms 221264 KB Output is correct
60 Correct 486 ms 221132 KB Output is correct
61 Correct 483 ms 220924 KB Output is correct
62 Correct 462 ms 220728 KB Output is correct
63 Correct 479 ms 220908 KB Output is correct
64 Correct 287 ms 221200 KB Output is correct
65 Correct 283 ms 220968 KB Output is correct
66 Correct 272 ms 221008 KB Output is correct
67 Correct 365 ms 220784 KB Output is correct
68 Correct 383 ms 220792 KB Output is correct
69 Correct 501 ms 220848 KB Output is correct
70 Correct 544 ms 221476 KB Output is correct
71 Correct 479 ms 221028 KB Output is correct
72 Correct 460 ms 220844 KB Output is correct
73 Correct 492 ms 220980 KB Output is correct
74 Correct 226 ms 220604 KB Output is correct
75 Correct 216 ms 220756 KB Output is correct
76 Correct 277 ms 221020 KB Output is correct
77 Correct 253 ms 221008 KB Output is correct
78 Correct 1 ms 344 KB Output is correct
79 Correct 324 ms 220848 KB Output is correct
80 Correct 279 ms 220496 KB Output is correct
81 Correct 256 ms 220968 KB Output is correct
82 Correct 218 ms 220752 KB Output is correct
83 Correct 332 ms 220612 KB Output is correct
84 Correct 280 ms 220568 KB Output is correct
85 Correct 338 ms 220860 KB Output is correct
86 Correct 264 ms 220496 KB Output is correct
87 Correct 294 ms 220948 KB Output is correct
88 Correct 172 ms 220720 KB Output is correct
89 Correct 228 ms 220780 KB Output is correct
90 Correct 205 ms 220632 KB Output is correct
91 Correct 204 ms 220972 KB Output is correct
92 Correct 224 ms 220608 KB Output is correct
93 Correct 251 ms 221276 KB Output is correct
94 Correct 278 ms 220496 KB Output is correct
95 Correct 295 ms 220496 KB Output is correct
96 Correct 261 ms 220496 KB Output is correct
97 Correct 261 ms 220680 KB Output is correct
98 Correct 236 ms 220496 KB Output is correct
99 Correct 225 ms 220496 KB Output is correct
100 Correct 154 ms 220752 KB Output is correct
101 Correct 192 ms 220568 KB Output is correct
102 Correct 113 ms 221008 KB Output is correct
103 Correct 399 ms 220712 KB Output is correct
104 Correct 313 ms 220752 KB Output is correct
105 Correct 461 ms 220752 KB Output is correct
106 Correct 370 ms 221324 KB Output is correct
107 Correct 413 ms 220752 KB Output is correct
108 Correct 302 ms 220568 KB Output is correct
109 Correct 451 ms 220752 KB Output is correct
110 Correct 342 ms 220860 KB Output is correct
111 Correct 458 ms 221052 KB Output is correct
112 Correct 371 ms 220752 KB Output is correct
113 Correct 253 ms 220496 KB Output is correct
114 Correct 252 ms 220916 KB Output is correct
115 Correct 295 ms 220496 KB Output is correct
116 Correct 320 ms 220892 KB Output is correct
117 Correct 259 ms 221008 KB Output is correct
118 Correct 344 ms 221184 KB Output is correct
119 Correct 253 ms 220624 KB Output is correct
120 Correct 309 ms 220756 KB Output is correct
121 Correct 322 ms 220752 KB Output is correct
122 Correct 305 ms 220492 KB Output is correct
123 Correct 440 ms 220708 KB Output is correct
124 Correct 366 ms 220980 KB Output is correct
125 Correct 450 ms 220752 KB Output is correct
126 Correct 393 ms 220920 KB Output is correct
127 Correct 318 ms 220576 KB Output is correct
128 Correct 279 ms 221044 KB Output is correct
129 Correct 281 ms 220752 KB Output is correct
130 Correct 281 ms 221240 KB Output is correct