Submission #820126

# Submission time Handle Problem Language Result Execution time Memory
820126 2023-08-10T19:52:48 Z Ahmed57 Land of the Rainbow Gold (APIO17_rainbow) C++17
100 / 100
1095 ms 221472 KB
#include <bits/stdc++.h>

using namespace std;
#define M ((L+R)/2)
const int MAXN = 200000;
const int SIZE = (6e5+9)*19+1;

struct pres{
set<int> s[MAXN+5];
void add(int x,int y){
    s[x].insert(y);
}
int root[MAXN+5];
void bld(){
    root[1] = build();
    for(int i = 1;i<=MAXN;i++){
        root[i+1] = root[i];
        for(auto j:s[i]){
            int vl = query(j,j,root[i+1]);vl++;
            root[i+1] = update(j,root[i+1],vl);
        }
    }
}
int qry(int l,int r,int L,int R){
    if(L>R)return 0;
    return query(L,R,root[r+1])-(query(L,R,root[l]));
}
int l[SIZE], r[SIZE], st[SIZE], NODES = 0;
int n;
int newleaf(int value) {
    int p = ++NODES;
    l[p] = r[p] = 0; // null
    st[p] = value;
    return p;
}
int newparent(int lef, int rig) {
    int p = ++NODES;
    l[p] = lef;
    r[p] = rig;
    st[p] = st[lef] + st[rig]; // immediately update value from children
    return p;
}
int update(int i,int p,int x, int L=1, int R=MAXN) {
    if (L == R)return newleaf(x);
    if (i <= M)return newparent(update(i,l[p],x, L, M), r[p]);
    else return newparent(l[p], update(i,r[p],x, M + 1, R));
}
int build(int L=1, int R=MAXN) {
    if (L == R) return newleaf(0); // construct as leaf
    else return newparent(build(L, M),build(M+1,R)); // construct as parent
}
int query(int lq,int rq,int p,int L = 1,int R = MAXN){
    if(L>=lq&&R<=rq)return st[p];
    if(L>rq||R<lq)return 0;
    return query(lq,rq,l[p],L,M)+query(lq,rq,r[p],M+1,R);
}
}ver,edgehorz,edgevert,rivers;
void add_river(int x,int y){
    rivers.add(x,y);
    ver.add(x,y);
    ver.add(x+1,y);
    ver.add(x,y+1);
    ver.add(x+1,y+1);
    edgehorz.add(x,y);
    edgehorz.add(x+1,y);
    edgevert.add(x,y);
    edgevert.add(x,y+1);
}
int mxr ,mnr,mxc,mnc;
void init(int R, int C, int sr, int sc, int MM, char *S) {
    add_river(sr,sc);
    mxr = sr,mnr = sr,mxc = sc,mnc = sc;
    for(int i = 0;i<MM;i++){
        if(S[i]=='N')sr--;
        if(S[i]=='S')sr++;
        if(S[i]=='W')sc--;
        if(S[i]=='E')sc++;
        //cout<<sr<<" "<<sc<<endl;
        add_river(sr,sc);
        mxr = max(mxr,sr);
        mnr = min(mnr,sr);
        mxc = max(mxc,sc);
        mnc = min(mnc,sc);
    }
    rivers.bld();ver.bld();
    edgehorz.bld();edgevert.bld();
}
int colour(int ar, int ac, int br, int bc) {
    int E = edgehorz.qry(ar + 1, br, ac, bc) + edgevert.qry(ar, br, ac + 1, bc);
    int V = ver.qry(ar + 1, br, ac + 1, bc);
    int R = rivers.qry(ar, br, ac, bc);
    //cout<<R<<endl;
    int C = (ar >= mnr || br <= mxr || ac >= mnc || bc <= mxc ? 1 : 2);
    return E - V + C - R;
}/*
int main(){
    init(6, 4,
3, 3, 9,
"NWESSWEWS");
cout<<colour(1,2,5,3);
}*/
# Verdict Execution time Memory Grader output
1 Correct 31 ms 60116 KB Output is correct
2 Correct 33 ms 61188 KB Output is correct
3 Correct 32 ms 60164 KB Output is correct
4 Correct 32 ms 60248 KB Output is correct
5 Correct 34 ms 61384 KB Output is correct
6 Correct 31 ms 59812 KB Output is correct
7 Correct 30 ms 59904 KB Output is correct
8 Correct 29 ms 59860 KB Output is correct
9 Correct 29 ms 59796 KB Output is correct
10 Correct 30 ms 59892 KB Output is correct
11 Correct 32 ms 60312 KB Output is correct
12 Correct 36 ms 60856 KB Output is correct
13 Correct 35 ms 61940 KB Output is correct
14 Correct 35 ms 62420 KB Output is correct
15 Correct 30 ms 59860 KB Output is correct
16 Correct 31 ms 59860 KB Output is correct
17 Correct 30 ms 59780 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 31 ms 59860 KB Output is correct
2 Correct 30 ms 59780 KB Output is correct
3 Correct 757 ms 155996 KB Output is correct
4 Correct 1008 ms 220376 KB Output is correct
5 Correct 990 ms 219084 KB Output is correct
6 Correct 880 ms 182776 KB Output is correct
7 Correct 849 ms 180448 KB Output is correct
8 Correct 415 ms 60664 KB Output is correct
9 Correct 1008 ms 220364 KB Output is correct
10 Correct 1014 ms 219192 KB Output is correct
11 Correct 890 ms 182600 KB Output is correct
12 Correct 388 ms 209080 KB Output is correct
13 Correct 411 ms 220324 KB Output is correct
14 Correct 420 ms 219156 KB Output is correct
15 Correct 381 ms 182724 KB Output is correct
16 Correct 860 ms 173440 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 30 ms 59860 KB Output is correct
2 Correct 372 ms 219720 KB Output is correct
3 Correct 176 ms 217292 KB Output is correct
4 Correct 221 ms 219724 KB Output is correct
5 Correct 183 ms 178544 KB Output is correct
6 Correct 95 ms 89764 KB Output is correct
7 Correct 159 ms 119556 KB Output is correct
8 Correct 323 ms 202708 KB Output is correct
9 Correct 302 ms 186484 KB Output is correct
10 Correct 107 ms 91436 KB Output is correct
11 Correct 183 ms 138160 KB Output is correct
12 Correct 356 ms 219812 KB Output is correct
13 Correct 179 ms 217304 KB Output is correct
14 Correct 225 ms 219732 KB Output is correct
15 Correct 183 ms 178532 KB Output is correct
16 Correct 87 ms 83736 KB Output is correct
17 Correct 145 ms 119576 KB Output is correct
18 Correct 295 ms 219900 KB Output is correct
19 Correct 267 ms 220832 KB Output is correct
20 Correct 307 ms 220772 KB Output is correct
21 Correct 308 ms 202712 KB Output is correct
22 Correct 307 ms 186484 KB Output is correct
23 Correct 111 ms 91592 KB Output is correct
24 Correct 199 ms 138232 KB Output is correct
25 Correct 352 ms 219736 KB Output is correct
26 Correct 182 ms 217248 KB Output is correct
27 Correct 218 ms 219804 KB Output is correct
28 Correct 183 ms 178512 KB Output is correct
29 Correct 87 ms 83820 KB Output is correct
30 Correct 152 ms 119772 KB Output is correct
31 Correct 281 ms 219836 KB Output is correct
32 Correct 264 ms 220880 KB Output is correct
33 Correct 266 ms 220792 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 31 ms 60116 KB Output is correct
2 Correct 33 ms 61188 KB Output is correct
3 Correct 32 ms 60164 KB Output is correct
4 Correct 32 ms 60248 KB Output is correct
5 Correct 34 ms 61384 KB Output is correct
6 Correct 31 ms 59812 KB Output is correct
7 Correct 30 ms 59904 KB Output is correct
8 Correct 29 ms 59860 KB Output is correct
9 Correct 29 ms 59796 KB Output is correct
10 Correct 30 ms 59892 KB Output is correct
11 Correct 32 ms 60312 KB Output is correct
12 Correct 36 ms 60856 KB Output is correct
13 Correct 35 ms 61940 KB Output is correct
14 Correct 35 ms 62420 KB Output is correct
15 Correct 30 ms 59860 KB Output is correct
16 Correct 31 ms 59860 KB Output is correct
17 Correct 30 ms 59780 KB Output is correct
18 Correct 694 ms 141308 KB Output is correct
19 Correct 222 ms 64140 KB Output is correct
20 Correct 168 ms 61164 KB Output is correct
21 Correct 194 ms 61900 KB Output is correct
22 Correct 189 ms 62568 KB Output is correct
23 Correct 216 ms 64012 KB Output is correct
24 Correct 175 ms 61768 KB Output is correct
25 Correct 182 ms 62340 KB Output is correct
26 Correct 193 ms 62820 KB Output is correct
27 Correct 400 ms 125880 KB Output is correct
28 Correct 293 ms 91952 KB Output is correct
29 Correct 400 ms 120116 KB Output is correct
30 Correct 597 ms 220492 KB Output is correct
31 Correct 33 ms 59908 KB Output is correct
32 Correct 554 ms 126592 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 31 ms 60116 KB Output is correct
2 Correct 33 ms 61188 KB Output is correct
3 Correct 32 ms 60164 KB Output is correct
4 Correct 32 ms 60248 KB Output is correct
5 Correct 34 ms 61384 KB Output is correct
6 Correct 31 ms 59812 KB Output is correct
7 Correct 30 ms 59904 KB Output is correct
8 Correct 29 ms 59860 KB Output is correct
9 Correct 29 ms 59796 KB Output is correct
10 Correct 30 ms 59892 KB Output is correct
11 Correct 32 ms 60312 KB Output is correct
12 Correct 36 ms 60856 KB Output is correct
13 Correct 35 ms 61940 KB Output is correct
14 Correct 35 ms 62420 KB Output is correct
15 Correct 30 ms 59860 KB Output is correct
16 Correct 31 ms 59860 KB Output is correct
17 Correct 30 ms 59780 KB Output is correct
18 Correct 694 ms 141308 KB Output is correct
19 Correct 222 ms 64140 KB Output is correct
20 Correct 168 ms 61164 KB Output is correct
21 Correct 194 ms 61900 KB Output is correct
22 Correct 189 ms 62568 KB Output is correct
23 Correct 216 ms 64012 KB Output is correct
24 Correct 175 ms 61768 KB Output is correct
25 Correct 182 ms 62340 KB Output is correct
26 Correct 193 ms 62820 KB Output is correct
27 Correct 400 ms 125880 KB Output is correct
28 Correct 293 ms 91952 KB Output is correct
29 Correct 400 ms 120116 KB Output is correct
30 Correct 597 ms 220492 KB Output is correct
31 Correct 33 ms 59908 KB Output is correct
32 Correct 554 ms 126592 KB Output is correct
33 Correct 372 ms 219720 KB Output is correct
34 Correct 176 ms 217292 KB Output is correct
35 Correct 221 ms 219724 KB Output is correct
36 Correct 183 ms 178544 KB Output is correct
37 Correct 95 ms 89764 KB Output is correct
38 Correct 159 ms 119556 KB Output is correct
39 Correct 323 ms 202708 KB Output is correct
40 Correct 302 ms 186484 KB Output is correct
41 Correct 107 ms 91436 KB Output is correct
42 Correct 183 ms 138160 KB Output is correct
43 Correct 356 ms 219812 KB Output is correct
44 Correct 179 ms 217304 KB Output is correct
45 Correct 225 ms 219732 KB Output is correct
46 Correct 183 ms 178532 KB Output is correct
47 Correct 87 ms 83736 KB Output is correct
48 Correct 145 ms 119576 KB Output is correct
49 Correct 295 ms 219900 KB Output is correct
50 Correct 267 ms 220832 KB Output is correct
51 Correct 307 ms 220772 KB Output is correct
52 Correct 308 ms 202712 KB Output is correct
53 Correct 307 ms 186484 KB Output is correct
54 Correct 111 ms 91592 KB Output is correct
55 Correct 199 ms 138232 KB Output is correct
56 Correct 352 ms 219736 KB Output is correct
57 Correct 182 ms 217248 KB Output is correct
58 Correct 218 ms 219804 KB Output is correct
59 Correct 183 ms 178512 KB Output is correct
60 Correct 87 ms 83820 KB Output is correct
61 Correct 152 ms 119772 KB Output is correct
62 Correct 281 ms 219836 KB Output is correct
63 Correct 264 ms 220880 KB Output is correct
64 Correct 266 ms 220792 KB Output is correct
65 Correct 757 ms 155996 KB Output is correct
66 Correct 1008 ms 220376 KB Output is correct
67 Correct 990 ms 219084 KB Output is correct
68 Correct 880 ms 182776 KB Output is correct
69 Correct 849 ms 180448 KB Output is correct
70 Correct 415 ms 60664 KB Output is correct
71 Correct 1008 ms 220364 KB Output is correct
72 Correct 1014 ms 219192 KB Output is correct
73 Correct 890 ms 182600 KB Output is correct
74 Correct 388 ms 209080 KB Output is correct
75 Correct 411 ms 220324 KB Output is correct
76 Correct 420 ms 219156 KB Output is correct
77 Correct 381 ms 182724 KB Output is correct
78 Correct 860 ms 173440 KB Output is correct
79 Correct 1095 ms 203208 KB Output is correct
80 Correct 1070 ms 187288 KB Output is correct
81 Correct 384 ms 92216 KB Output is correct
82 Correct 525 ms 138976 KB Output is correct
83 Correct 953 ms 220448 KB Output is correct
84 Correct 707 ms 218008 KB Output is correct
85 Correct 701 ms 220492 KB Output is correct
86 Correct 693 ms 179252 KB Output is correct
87 Correct 497 ms 84428 KB Output is correct
88 Correct 580 ms 120412 KB Output is correct
89 Correct 725 ms 220552 KB Output is correct
90 Correct 921 ms 221472 KB Output is correct
91 Correct 750 ms 221464 KB Output is correct