oj.uz

Submission #384120

# Submission time Handle Problem Language Result Execution time Memory
384120 2021-03-31T13:44:09 Z i_am_noob Bitaro, who Leaps through Time (JOI19_timeleap) C++17
100 / 100
 832 ms 76396 KB 
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,avx,avx2,fma")
#include<bits/stdc++.h>
#pragma GCC optimize("Ofast,unroll-loops")
using namespace std;

#define ll long long
#define int ll
#define ull unsigned long long
#define ld long double
#define rep(a) rep1(i,a)
#define rep1(i,a) rep2(i,0,a)
#define rep2(i,b,a) for(int i=(b); i<((int)(a)); i++)
#define rep3(i,b,a) for(int i=(b); i>=((int)(a)); i--)
#define all(a) a.begin(),a.end()
#define pii pair<int,int>
#define pb push_back
//#define inf 1010000000
#define inf 4000000000000000000
#define eps 1e-9
#define sz(a) ((int)a.size())
#define pow2(x) (1ll<<(x))
#define ceiling(a,b) (((a)+(b)-1)/(b))
#ifdef i_am_noob
#define bug(...) cerr << "#" << __LINE__ << ' ' << #__VA_ARGS__ << "- ", _do(__VA_ARGS__)
template<typename T> void _do(T && x) {cerr << x << endl;}
template<typename T, typename ...S> void _do(T && x, S&&...y) {cerr << x << ", "; _do(y...);}
#else
#define bug(...) 826
#endif

inline char readchar(){
    const int maxn=1000000;
    static char buf[maxn],*p=buf,*q=buf;
    if(p==q&&(q=(p=buf)+fread(buf,1,maxn,stdin))==buf) return EOF;
    else return *p++;
}
inline int readint(){
    int c=readchar(),x=0,neg=0;
    while((c<'0'||c>'9')&&c!='-'&&c!=EOF) c=readchar();
    if(c=='-') neg=1,c=readchar();
    while(c>='0'&&c<='9') x=(x<<3)+(x<<1)+(c^'0'),c=readchar();
    return neg?-x:x;
}

const int Mod=1000000007,Mod2=998244353;
const int MOD=Mod;
const int maxn=300005;
//i_am_noob
int n,q,l[maxn],r[maxn];

#define event array<int,4>

event Merge(event x, event y){
    event res;
    res[0]=min(x[1],x[0]+max(0ll,y[0]-x[2]));
    res[1]=max(x[0],x[1]-max(0ll,x[2]+x[1]-x[0]-y[1]));
    res[2]=min(max(y[2]+x[2]-y[0],y[2]),y[2]+y[1]-y[0]);
    res[3]=x[3]+y[3]+max(0ll,x[2]-y[1]);
    return res;
}

struct segtree{
    event val[4*maxn],e;
    void pull(int k){val[k]=Merge(val[k<<1],val[k<<1|1]);}
    void build(int k, int l, int r){
        if(l==r){
            val[k]=e;
            return;
        }
        int mid=l+r>>1;
        build(k<<1,l,mid),build(k<<1|1,mid+1,r);
        pull(k);
    }
    segtree(){
        e={-inf,inf,-inf,0};
        build(1,0,maxn-1);
    }
    void modify(int k, int l, int r, int p, event x){
        if(l==r){
            val[k]=x;
            return;
        }
        int mid=l+r>>1;
        if(p<=mid) modify(k<<1,l,mid,p,x);
        else modify(k<<1|1,mid+1,r,p,x);
        pull(k);
    }
    event query(int k, int l, int r, int ql, int qr){
        if(ql>r||qr<l) return e;
        if(ql<=l&&qr>=r) return val[k];
        int mid=l+r>>1;
        return Merge(query(k<<1,l,mid,ql,qr),query(k<<1|1,mid+1,r,ql,qr));
    }
    inline void mo(int p, event x){modify(1,0,maxn-1,p,x);}
    inline event qu(int ql, int qr){return query(1,0,maxn-1,ql,qr);}
}tree1,tree2;

signed main(){
    ios_base::sync_with_stdio(0),cin.tie(0);
    #ifdef i_am_noob
    freopen("input1.txt","r",stdin);
    freopen("output1.txt","w",stdout);
    freopen("output2.txt","w",stderr);
    #endif
    cin >> n >> q;
    rep(n-1) cin >> l[i] >> r[i];
    rep(n-1){
        r[i]--;
        tree1.mo(i,{l[i]-i,r[i]-i,l[i]-i,0});
        tree2.mo(n-2-i,{l[i]-(n-2-i),r[i]-(n-2-i),l[i]-(n-2-i),0});
    }
    while(q--){
        int op;
        cin >> op;
        if(op==1){
            int p,s,e;
            cin >> p >> s >> e;
            p--,e--;
            tree1.mo(p,{s-p,e-p,s-p,0});
            tree2.mo(n-2-p,{s-(n-2-p),e-(n-2-p),s-(n-2-p),0});
        }
        else{
            int a,b,c,d;
            cin >> a >> b >> c >> d;
            a--,c--;
            event s,e,tmp;
            if(c>a){
                b-=a,d-=c;
                tmp=tree1.qu(a,c-1);
            }
            else{
                b-=n-1-a,d-=n-1-c;
                tmp=tree2.qu(n-1-a,n-2-c);
            }
            s={b,b,b,0},e={d,d,d,0};
            tmp=Merge(s,tmp);
            tmp=Merge(tmp,e);
            cout << tmp[3] << "\n";
        }
    }
    return 0;
}

Compilation message

timeleap.cpp: In member function 'void segtree::build(long long int, long long int, long long int)':
timeleap.cpp:70:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   70 |         int mid=l+r>>1;
      |                 ~^~
timeleap.cpp: In member function 'void segtree::modify(long long int, long long int, long long int, long long int, std::array<long long int, 4>)':
timeleap.cpp:83:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   83 |         int mid=l+r>>1;
      |                 ~^~
timeleap.cpp: In member function 'std::array<long long int, 4> segtree::query(long long int, long long int, long long int, long long int, long long int)':
timeleap.cpp:91:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   91 |         int mid=l+r>>1;
      |                 ~^~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 66028 KB Output is correct
2 Correct 39 ms 66028 KB Output is correct
3 Correct 39 ms 66028 KB Output is correct
4 Correct 38 ms 66028 KB Output is correct
5 Correct 40 ms 66028 KB Output is correct
6 Correct 39 ms 66028 KB Output is correct
7 Correct 42 ms 66028 KB Output is correct
8 Correct 41 ms 66176 KB Output is correct
9 Correct 39 ms 66028 KB Output is correct
10 Correct 39 ms 66028 KB Output is correct
11 Correct 40 ms 66156 KB Output is correct
12 Correct 42 ms 66284 KB Output is correct
13 Correct 40 ms 66156 KB Output is correct
14 Correct 42 ms 66156 KB Output is correct
15 Correct 40 ms 66156 KB Output is correct
16 Correct 41 ms 66156 KB Output is correct
17 Correct 41 ms 66156 KB Output is correct
18 Correct 40 ms 66156 KB Output is correct
19 Correct 41 ms 66172 KB Output is correct
20 Correct 46 ms 66156 KB Output is correct
21 Correct 41 ms 66156 KB Output is correct
22 Correct 42 ms 66156 KB Output is correct
23 Correct 41 ms 66156 KB Output is correct
24 Correct 40 ms 66028 KB Output is correct
25 Correct 42 ms 66156 KB Output is correct
26 Correct 41 ms 66156 KB Output is correct
27 Correct 43 ms 66156 KB Output is correct
28 Correct 45 ms 66156 KB Output is correct
29 Correct 42 ms 66156 KB Output is correct
30 Correct 44 ms 66156 KB Output is correct
31 Correct 44 ms 66156 KB Output is correct
32 Correct 43 ms 66156 KB Output is correct
33 Correct 41 ms 66156 KB Output is correct
34 Correct 42 ms 66156 KB Output is correct
35 Correct 41 ms 66156 KB Output is correct
36 Correct 41 ms 66156 KB Output is correct
37 Correct 42 ms 66156 KB Output is correct
38 Correct 42 ms 66156 KB Output is correct
39 Correct 40 ms 66156 KB Output is correct
40 Correct 41 ms 66156 KB Output is correct
41 Correct 39 ms 66028 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 816 ms 76140 KB Output is correct
2 Correct 820 ms 75948 KB Output is correct
3 Correct 777 ms 76012 KB Output is correct
4 Correct 770 ms 75756 KB Output is correct
5 Correct 784 ms 75884 KB Output is correct
6 Correct 794 ms 76012 KB Output is correct
7 Correct 806 ms 76076 KB Output is correct
8 Correct 823 ms 76396 KB Output is correct
9 Correct 776 ms 75884 KB Output is correct
10 Correct 815 ms 75952 KB Output is correct
11 Correct 819 ms 76012 KB Output is correct
12 Correct 826 ms 75884 KB Output is correct
13 Correct 832 ms 75756 KB Output is correct
14 Correct 39 ms 66028 KB Output is correct

Subtask #3
66.0 / 66.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 66028 KB Output is correct
2 Correct 39 ms 66028 KB Output is correct
3 Correct 39 ms 66028 KB Output is correct
4 Correct 38 ms 66028 KB Output is correct
5 Correct 40 ms 66028 KB Output is correct
6 Correct 39 ms 66028 KB Output is correct
7 Correct 42 ms 66028 KB Output is correct
8 Correct 41 ms 66176 KB Output is correct
9 Correct 39 ms 66028 KB Output is correct
10 Correct 39 ms 66028 KB Output is correct
11 Correct 40 ms 66156 KB Output is correct
12 Correct 42 ms 66284 KB Output is correct
13 Correct 40 ms 66156 KB Output is correct
14 Correct 42 ms 66156 KB Output is correct
15 Correct 40 ms 66156 KB Output is correct
16 Correct 41 ms 66156 KB Output is correct
17 Correct 41 ms 66156 KB Output is correct
18 Correct 40 ms 66156 KB Output is correct
19 Correct 41 ms 66172 KB Output is correct
20 Correct 46 ms 66156 KB Output is correct
21 Correct 41 ms 66156 KB Output is correct
22 Correct 42 ms 66156 KB Output is correct
23 Correct 41 ms 66156 KB Output is correct
24 Correct 40 ms 66028 KB Output is correct
25 Correct 42 ms 66156 KB Output is correct
26 Correct 41 ms 66156 KB Output is correct
27 Correct 43 ms 66156 KB Output is correct
28 Correct 45 ms 66156 KB Output is correct
29 Correct 42 ms 66156 KB Output is correct
30 Correct 44 ms 66156 KB Output is correct
31 Correct 44 ms 66156 KB Output is correct
32 Correct 43 ms 66156 KB Output is correct
33 Correct 41 ms 66156 KB Output is correct
34 Correct 42 ms 66156 KB Output is correct
35 Correct 41 ms 66156 KB Output is correct
36 Correct 41 ms 66156 KB Output is correct
37 Correct 42 ms 66156 KB Output is correct
38 Correct 42 ms 66156 KB Output is correct
39 Correct 40 ms 66156 KB Output is correct
40 Correct 41 ms 66156 KB Output is correct
41 Correct 39 ms 66028 KB Output is correct
42 Correct 816 ms 76140 KB Output is correct
43 Correct 820 ms 75948 KB Output is correct
44 Correct 777 ms 76012 KB Output is correct
45 Correct 770 ms 75756 KB Output is correct
46 Correct 784 ms 75884 KB Output is correct
47 Correct 794 ms 76012 KB Output is correct
48 Correct 806 ms 76076 KB Output is correct
49 Correct 823 ms 76396 KB Output is correct
50 Correct 776 ms 75884 KB Output is correct
51 Correct 815 ms 75952 KB Output is correct
52 Correct 819 ms 76012 KB Output is correct
53 Correct 826 ms 75884 KB Output is correct
54 Correct 832 ms 75756 KB Output is correct
55 Correct 39 ms 66028 KB Output is correct
56 Correct 777 ms 73452 KB Output is correct
57 Correct 745 ms 73196 KB Output is correct
58 Correct 770 ms 73580 KB Output is correct
59 Correct 777 ms 73484 KB Output is correct
60 Correct 768 ms 73196 KB Output is correct
61 Correct 774 ms 73580 KB Output is correct
62 Correct 812 ms 73496 KB Output is correct
63 Correct 791 ms 73276 KB Output is correct
64 Correct 810 ms 73324 KB Output is correct
65 Correct 764 ms 73196 KB Output is correct
66 Correct 768 ms 73196 KB Output is correct
67 Correct 795 ms 73292 KB Output is correct
68 Correct 757 ms 73068 KB Output is correct
69 Correct 814 ms 73484 KB Output is correct
70 Correct 760 ms 72940 KB Output is correct
71 Correct 752 ms 72812 KB Output is correct
72 Correct 761 ms 72812 KB Output is correct
73 Correct 792 ms 73252 KB Output is correct
74 Correct 777 ms 73196 KB Output is correct
75 Correct 786 ms 73176 KB Output is correct
76 Correct 783 ms 73180 KB Output is correct
77 Correct 39 ms 66028 KB Output is correct