답안 #64271 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
64271	2018-08-03T20:24:28 Z	reality	Bulldozer (JOI17_bulldozer)	C++17	100 / 100	1239 ms	50032 KB

bulldozer

#include "bits/stdc++.h"
using namespace std;
#define fi first
#define se second
#define ll long long
#define dbg(v) cerr<<#v<<" = "<<v<<'\n'
#define vi vector<int>
#define vl vector <ll>
#define pii pair<int,int>
#define mp make_pair
#define db long double
#define pb push_back
#define all(s) s.begin(),s.end()
template < class T > ostream& operator<<(ostream& stream, const vector<T> v){ stream << "[ "; for (int i=0; i<(int)v.size(); i++) stream << v[i] << " "; stream << "]"; return stream;}
template < class T > T smin(T &a,T b) {if (a > b) a = b;return a;}
template < class T > T smax(T &a,T b) {if (a < b) a = b;return a;}
struct fr {
    ll fi,se;
    fr(void) {
        fi = se = 0;
    }
    fr(ll aa,ll bb) {
        if (aa < 0 || (!aa && bb < 0))
            aa *= -1,bb *= -1;
        fi = aa;
        se = bb;
    }
};
bool operator == (fr a,fr b) {
    return a.fi * b.se == a.se * b.fi;
}
bool operator < (fr a,fr b) {
    return a.fi * b.se < a.se * b.fi;
}
bool operator != (fr a,fr b) {
    return !(a == b);
}
struct st {
    ll ss,ls,rs,as;
    st(void) {
        ss = ls = rs = as;
    }
    st(ll x) {
        ss = x;
        ls = rs = as = max(0ll,x);
    }
};
st operator + (st a,st b) {
    st c;
    c.ss = a.ss + b.ss;
    c.ls = max(a.ls,a.ss + b.ls);
    c.rs = max(b.rs,b.ss + a.rs);
    c.as = max({a.as,b.as,a.rs + b.ls});
    return c;
}
st t[4096];
void update(int l,int r,int pos,ll v,int node) {
    if (l == r)
        t[node] = st(v);
    else {
        int m = (l + r) / 2;
        if (pos <= m)
            update(l,m,pos,v,node * 2);
        else
            update(m+1,r,pos,v,node * 2 + 1);
        t[node] = t[node * 2] + t[node * 2 + 1];
    }
}
int main(void) {
    int n;
    cin>>n;
    vector < pair < pii , ll > > p(n);
    for (auto & it : p)
        cin>>it.fi.fi>>it.fi.se>>it.se;
    sort(all(p));
    vector < pair < fr , pii > > sw;
    for (int i = 0;i < n;++i)
        for (int j = i + 1;j < n;++j)
            sw.pb(mp(fr(p[i].fi.fi - p[j].fi.fi,p[i].fi.se - p[j].fi.se),mp(i,j)));
    vi q(n);
    for (int i = 0;i < n;++i)
        q[i] = i,update(0,n - 1,i,p[i].se,1);
    sort(all(sw),[&](auto a,auto b) {
            if (a.fi != b.fi)
                return a.fi < b.fi;
            return a.se < b.se;
        });
    int sz = sw.size();
    ll answer = t[1].as;
    for (int i = 0,j = 0;i < sz;i = j) {
        while (j < sz && sw[i].fi == sw[j].fi) {
            int pi = sw[j].se.fi;
            int pj = sw[j].se.se;
            swap(q[pi],q[pj]);
            update(0,n - 1,q[pi],p[pi].se,1);
            update(0,n - 1,q[pj],p[pj].se,1);
            ++j;
        }
        smax(answer,t[1].as);
    }
    cout << answer << '\n';
    return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	768 KB	Output is correct
2	Correct	3 ms	768 KB	Output is correct
3	Correct	4 ms	768 KB	Output is correct
4	Correct	3 ms	768 KB	Output is correct
5	Correct	4 ms	768 KB	Output is correct
6	Correct	4 ms	768 KB	Output is correct
7	Correct	4 ms	768 KB	Output is correct
8	Correct	4 ms	768 KB	Output is correct
9	Correct	4 ms	768 KB	Output is correct
10	Correct	3 ms	768 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	3 ms	384 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	2 ms	512 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	768 KB	Output is correct
2	Correct	4 ms	768 KB	Output is correct
3	Correct	4 ms	740 KB	Output is correct
4	Correct	4 ms	768 KB	Output is correct
5	Correct	4 ms	768 KB	Output is correct
6	Correct	4 ms	768 KB	Output is correct
7	Correct	4 ms	768 KB	Output is correct
8	Correct	4 ms	768 KB	Output is correct
9	Correct	4 ms	768 KB	Output is correct
10	Correct	4 ms	768 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	432 KB	Output is correct
15	Correct	2 ms	512 KB	Output is correct
16	Correct	2 ms	384 KB	Output is correct
17	Correct	2 ms	384 KB	Output is correct
18	Correct	2 ms	512 KB	Output is correct
19	Correct	2 ms	512 KB	Output is correct
20	Correct	2 ms	384 KB	Output is correct
21	Correct	4 ms	768 KB	Output is correct
22	Correct	3 ms	768 KB	Output is correct
23	Correct	4 ms	724 KB	Output is correct
24	Correct	4 ms	740 KB	Output is correct
25	Correct	4 ms	768 KB	Output is correct
26	Correct	3 ms	768 KB	Output is correct
27	Correct	4 ms	768 KB	Output is correct
28	Correct	3 ms	768 KB	Output is correct
29	Correct	4 ms	768 KB	Output is correct
30	Correct	4 ms	768 KB	Output is correct
31	Correct	4 ms	768 KB	Output is correct
32	Correct	4 ms	768 KB	Output is correct

Subtask #3
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	768 KB	Output is correct
2	Correct	4 ms	768 KB	Output is correct
3	Correct	4 ms	740 KB	Output is correct
4	Correct	4 ms	768 KB	Output is correct
5	Correct	4 ms	768 KB	Output is correct
6	Correct	4 ms	768 KB	Output is correct
7	Correct	4 ms	768 KB	Output is correct
8	Correct	4 ms	768 KB	Output is correct
9	Correct	4 ms	768 KB	Output is correct
10	Correct	4 ms	768 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	432 KB	Output is correct
15	Correct	2 ms	512 KB	Output is correct
16	Correct	2 ms	384 KB	Output is correct
17	Correct	2 ms	384 KB	Output is correct
18	Correct	2 ms	512 KB	Output is correct
19	Correct	2 ms	512 KB	Output is correct
20	Correct	2 ms	384 KB	Output is correct
21	Correct	4 ms	768 KB	Output is correct
22	Correct	3 ms	768 KB	Output is correct
23	Correct	4 ms	724 KB	Output is correct
24	Correct	4 ms	740 KB	Output is correct
25	Correct	4 ms	768 KB	Output is correct
26	Correct	3 ms	768 KB	Output is correct
27	Correct	4 ms	768 KB	Output is correct
28	Correct	3 ms	768 KB	Output is correct
29	Correct	4 ms	768 KB	Output is correct
30	Correct	4 ms	768 KB	Output is correct
31	Correct	4 ms	768 KB	Output is correct
32	Correct	4 ms	768 KB	Output is correct
33	Correct	1112 ms	49840 KB	Output is correct
34	Correct	1095 ms	49892 KB	Output is correct
35	Correct	1109 ms	49860 KB	Output is correct
36	Correct	1106 ms	49836 KB	Output is correct
37	Correct	1101 ms	49836 KB	Output is correct
38	Correct	1105 ms	49836 KB	Output is correct
39	Correct	1126 ms	49836 KB	Output is correct
40	Correct	1143 ms	49840 KB	Output is correct
41	Correct	1092 ms	49836 KB	Output is correct
42	Correct	1124 ms	49968 KB	Output is correct
43	Correct	1106 ms	49860 KB	Output is correct
44	Correct	1089 ms	49884 KB	Output is correct
45	Correct	1096 ms	49864 KB	Output is correct
46	Correct	1139 ms	49836 KB	Output is correct
47	Correct	1106 ms	49836 KB	Output is correct
48	Correct	1101 ms	49936 KB	Output is correct
49	Correct	1088 ms	49964 KB	Output is correct
50	Correct	1097 ms	49964 KB	Output is correct
51	Correct	1125 ms	49860 KB	Output is correct
52	Correct	1139 ms	49836 KB	Output is correct
53	Correct	1130 ms	49836 KB	Output is correct
54	Correct	1110 ms	49864 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	768 KB	Output is correct
2	Correct	4 ms	768 KB	Output is correct
3	Correct	4 ms	740 KB	Output is correct
4	Correct	4 ms	768 KB	Output is correct
5	Correct	4 ms	768 KB	Output is correct
6	Correct	4 ms	768 KB	Output is correct
7	Correct	4 ms	768 KB	Output is correct
8	Correct	4 ms	768 KB	Output is correct
9	Correct	4 ms	768 KB	Output is correct
10	Correct	4 ms	768 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	432 KB	Output is correct
15	Correct	2 ms	512 KB	Output is correct
16	Correct	2 ms	384 KB	Output is correct
17	Correct	2 ms	384 KB	Output is correct
18	Correct	2 ms	512 KB	Output is correct
19	Correct	2 ms	512 KB	Output is correct
20	Correct	2 ms	384 KB	Output is correct
21	Correct	4 ms	768 KB	Output is correct
22	Correct	3 ms	768 KB	Output is correct
23	Correct	4 ms	724 KB	Output is correct
24	Correct	4 ms	740 KB	Output is correct
25	Correct	4 ms	768 KB	Output is correct
26	Correct	3 ms	768 KB	Output is correct
27	Correct	4 ms	768 KB	Output is correct
28	Correct	3 ms	768 KB	Output is correct
29	Correct	4 ms	768 KB	Output is correct
30	Correct	4 ms	768 KB	Output is correct
31	Correct	4 ms	768 KB	Output is correct
32	Correct	4 ms	768 KB	Output is correct
33	Correct	1112 ms	49840 KB	Output is correct
34	Correct	1095 ms	49892 KB	Output is correct
35	Correct	1109 ms	49860 KB	Output is correct
36	Correct	1106 ms	49836 KB	Output is correct
37	Correct	1101 ms	49836 KB	Output is correct
38	Correct	1105 ms	49836 KB	Output is correct
39	Correct	1126 ms	49836 KB	Output is correct
40	Correct	1143 ms	49840 KB	Output is correct
41	Correct	1092 ms	49836 KB	Output is correct
42	Correct	1124 ms	49968 KB	Output is correct
43	Correct	1106 ms	49860 KB	Output is correct
44	Correct	1089 ms	49884 KB	Output is correct
45	Correct	1096 ms	49864 KB	Output is correct
46	Correct	1139 ms	49836 KB	Output is correct
47	Correct	1106 ms	49836 KB	Output is correct
48	Correct	1101 ms	49936 KB	Output is correct
49	Correct	1088 ms	49964 KB	Output is correct
50	Correct	1097 ms	49964 KB	Output is correct
51	Correct	1125 ms	49860 KB	Output is correct
52	Correct	1139 ms	49836 KB	Output is correct
53	Correct	1130 ms	49836 KB	Output is correct
54	Correct	1110 ms	49864 KB	Output is correct
55	Correct	1102 ms	49820 KB	Output is correct
56	Correct	1097 ms	49832 KB	Output is correct
57	Correct	1103 ms	49964 KB	Output is correct
58	Correct	1113 ms	49888 KB	Output is correct
59	Correct	1114 ms	49864 KB	Output is correct
60	Correct	1170 ms	49884 KB	Output is correct
61	Correct	1192 ms	49964 KB	Output is correct
62	Correct	1133 ms	50032 KB	Output is correct
63	Correct	1142 ms	50008 KB	Output is correct
64	Correct	1141 ms	49896 KB	Output is correct
65	Correct	1103 ms	49964 KB	Output is correct
66	Correct	1125 ms	49836 KB	Output is correct
67	Correct	1122 ms	49836 KB	Output is correct
68	Correct	1130 ms	49836 KB	Output is correct
69	Correct	1110 ms	49840 KB	Output is correct
70	Correct	1143 ms	49836 KB	Output is correct
71	Correct	1143 ms	49948 KB	Output is correct
72	Correct	1129 ms	49840 KB	Output is correct
73	Correct	1106 ms	49860 KB	Output is correct
74	Correct	1135 ms	49840 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	768 KB	Output is correct
2	Correct	3 ms	768 KB	Output is correct
3	Correct	4 ms	768 KB	Output is correct
4	Correct	3 ms	768 KB	Output is correct
5	Correct	4 ms	768 KB	Output is correct
6	Correct	4 ms	768 KB	Output is correct
7	Correct	4 ms	768 KB	Output is correct
8	Correct	4 ms	768 KB	Output is correct
9	Correct	4 ms	768 KB	Output is correct
10	Correct	3 ms	768 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	3 ms	384 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	2 ms	512 KB	Output is correct
16	Correct	4 ms	768 KB	Output is correct
17	Correct	4 ms	768 KB	Output is correct
18	Correct	4 ms	740 KB	Output is correct
19	Correct	4 ms	768 KB	Output is correct
20	Correct	4 ms	768 KB	Output is correct
21	Correct	4 ms	768 KB	Output is correct
22	Correct	4 ms	768 KB	Output is correct
23	Correct	4 ms	768 KB	Output is correct
24	Correct	4 ms	768 KB	Output is correct
25	Correct	4 ms	768 KB	Output is correct
26	Correct	2 ms	384 KB	Output is correct
27	Correct	2 ms	384 KB	Output is correct
28	Correct	2 ms	384 KB	Output is correct
29	Correct	2 ms	432 KB	Output is correct
30	Correct	2 ms	512 KB	Output is correct
31	Correct	2 ms	384 KB	Output is correct
32	Correct	2 ms	384 KB	Output is correct
33	Correct	2 ms	512 KB	Output is correct
34	Correct	2 ms	512 KB	Output is correct
35	Correct	2 ms	384 KB	Output is correct
36	Correct	4 ms	768 KB	Output is correct
37	Correct	3 ms	768 KB	Output is correct
38	Correct	4 ms	724 KB	Output is correct
39	Correct	4 ms	740 KB	Output is correct
40	Correct	4 ms	768 KB	Output is correct
41	Correct	3 ms	768 KB	Output is correct
42	Correct	4 ms	768 KB	Output is correct
43	Correct	3 ms	768 KB	Output is correct
44	Correct	4 ms	768 KB	Output is correct
45	Correct	4 ms	768 KB	Output is correct
46	Correct	4 ms	768 KB	Output is correct
47	Correct	4 ms	768 KB	Output is correct
48	Correct	1112 ms	49840 KB	Output is correct
49	Correct	1095 ms	49892 KB	Output is correct
50	Correct	1109 ms	49860 KB	Output is correct
51	Correct	1106 ms	49836 KB	Output is correct
52	Correct	1101 ms	49836 KB	Output is correct
53	Correct	1105 ms	49836 KB	Output is correct
54	Correct	1126 ms	49836 KB	Output is correct
55	Correct	1143 ms	49840 KB	Output is correct
56	Correct	1092 ms	49836 KB	Output is correct
57	Correct	1124 ms	49968 KB	Output is correct
58	Correct	1106 ms	49860 KB	Output is correct
59	Correct	1089 ms	49884 KB	Output is correct
60	Correct	1096 ms	49864 KB	Output is correct
61	Correct	1139 ms	49836 KB	Output is correct
62	Correct	1106 ms	49836 KB	Output is correct
63	Correct	1101 ms	49936 KB	Output is correct
64	Correct	1088 ms	49964 KB	Output is correct
65	Correct	1097 ms	49964 KB	Output is correct
66	Correct	1125 ms	49860 KB	Output is correct
67	Correct	1139 ms	49836 KB	Output is correct
68	Correct	1130 ms	49836 KB	Output is correct
69	Correct	1110 ms	49864 KB	Output is correct
70	Correct	1102 ms	49820 KB	Output is correct
71	Correct	1097 ms	49832 KB	Output is correct
72	Correct	1103 ms	49964 KB	Output is correct
73	Correct	1113 ms	49888 KB	Output is correct
74	Correct	1114 ms	49864 KB	Output is correct
75	Correct	1170 ms	49884 KB	Output is correct
76	Correct	1192 ms	49964 KB	Output is correct
77	Correct	1133 ms	50032 KB	Output is correct
78	Correct	1142 ms	50008 KB	Output is correct
79	Correct	1141 ms	49896 KB	Output is correct
80	Correct	1103 ms	49964 KB	Output is correct
81	Correct	1125 ms	49836 KB	Output is correct
82	Correct	1122 ms	49836 KB	Output is correct
83	Correct	1130 ms	49836 KB	Output is correct
84	Correct	1110 ms	49840 KB	Output is correct
85	Correct	1143 ms	49836 KB	Output is correct
86	Correct	1143 ms	49948 KB	Output is correct
87	Correct	1129 ms	49840 KB	Output is correct
88	Correct	1106 ms	49860 KB	Output is correct
89	Correct	1135 ms	49840 KB	Output is correct
90	Correct	1149 ms	49808 KB	Output is correct
91	Correct	1141 ms	49860 KB	Output is correct
92	Correct	1239 ms	49836 KB	Output is correct
93	Correct	1132 ms	49860 KB	Output is correct
94	Correct	1095 ms	49880 KB	Output is correct
95	Correct	1121 ms	49860 KB	Output is correct
96	Correct	1232 ms	49836 KB	Output is correct
97	Correct	1095 ms	49836 KB	Output is correct
98	Correct	1090 ms	49836 KB	Output is correct
99	Correct	1089 ms	49836 KB	Output is correct
100	Correct	990 ms	49836 KB	Output is correct
101	Correct	980 ms	49836 KB	Output is correct
102	Correct	981 ms	49836 KB	Output is correct
103	Correct	999 ms	49836 KB	Output is correct
104	Correct	1030 ms	49836 KB	Output is correct
105	Correct	1086 ms	49836 KB	Output is correct
106	Correct	1052 ms	49912 KB	Output is correct
107	Correct	1034 ms	49836 KB	Output is correct
108	Correct	1079 ms	49836 KB	Output is correct
109	Correct	1056 ms	49836 KB	Output is correct
110	Correct	1094 ms	49976 KB	Output is correct
111	Correct	1094 ms	49848 KB	Output is correct
112	Correct	1105 ms	49832 KB	Output is correct
113	Correct	1079 ms	49860 KB	Output is correct
114	Correct	1190 ms	49840 KB	Output is correct
115	Correct	1130 ms	49964 KB	Output is correct
116	Correct	1094 ms	49836 KB	Output is correct
117	Correct	1075 ms	49836 KB	Output is correct
118	Correct	1076 ms	49804 KB	Output is correct
119	Correct	1096 ms	50000 KB	Output is correct
120	Correct	2 ms	384 KB	Output is correct
121	Correct	2 ms	512 KB	Output is correct
122	Correct	1162 ms	49872 KB	Output is correct
123	Correct	1127 ms	49928 KB	Output is correct
124	Correct	1181 ms	49836 KB	Output is correct
125	Correct	1149 ms	49860 KB	Output is correct
126	Correct	1129 ms	49836 KB	Output is correct
127	Correct	1130 ms	49836 KB	Output is correct
128	Correct	1100 ms	49904 KB	Output is correct
129	Correct	1103 ms	49836 KB	Output is correct
130	Correct	1106 ms	49840 KB	Output is correct
131	Correct	1112 ms	49836 KB	Output is correct
132	Correct	1119 ms	49860 KB	Output is correct
133	Correct	1091 ms	49860 KB	Output is correct

답안 #64271

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 20.0 / 20.0

Subtask #3 35.0 / 35.0

Subtask #4 20.0 / 20.0

Subtask #5 20.0 / 20.0

Subtask #1
5.0 / 5.0

Subtask #2
20.0 / 20.0

Subtask #3
35.0 / 35.0

Subtask #4
20.0 / 20.0

Subtask #5
20.0 / 20.0