Submission #117941

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
117941	2019-06-17T13:31:34 Z	JohnTitor	Art Exhibition (JOI18_art)	C++11	100 / 100	192 ms	21036 KB

#include <bits/stdc++.h>
using namespace std;
#define FOR(i, j, k) for(int i=(j); i<=(k); i++)
#define FFOR(i, j, k) for(int i=(j); i<(k); i++)
#define DFOR(i, j, k) for(int i=(j); i>=(k); i--)
#define bug(x) cerr<<#x<<" = "<<(x)<<'\n'
#define pb push_back
#define mp make_pair
#define bit(s, i) (((s)>>(i))&1LL)
#define mask(i) ((1LL<<(i)))
#define builtin_popcount __builtin_popcountll
#define __builtin_popcount __builtin_popcountll
using ll=long long; using ld=long double;
mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count()); const ld pi=acos(0)*2;
template <typename T> inline void read(T &x){char c; bool nega=0; while((!isdigit(c=getchar()))&&(c!='-')); if(c=='-'){nega=1; c=getchar();} x=c-48; while(isdigit(c=getchar())) x=x*10+c-48; if(nega) x=-x;}
template <typename T> inline void writep(T x){if(x>9) writep(x/10); putchar(x%10+48);}
template <typename T> inline void write(T x){if(x<0){ putchar('-'); x=-x;} writep(x);}
template <typename T> inline void writeln(T x){write(x); putchar('\n');}
#define taskname "Art"
int n;
class art{
public:
    ll a, b;
    void input(){
        read(a);
        read(b);
    }
};
vector <art> v;
int main(){
    #ifdef Aria
        if(fopen(taskname".in", "r"))
            freopen(taskname".in", "r", stdin);
    #endif // Aria
    read(n);
    v.resize(n);
    for(auto &x: v) x.input();
    sort(v.begin(), v.end(), [](art A, art B){
        return A.a<B.a;
    });
    ll m=-1e18;
    ll ans=-1e18;
    ll sum=0;
    ///start from i to j
    ///(sum[j]-sum[i-1])-(a[j]-a[i])
    ///(sum[j]-a[j])+(a[i]-sum[i-1])
    for(auto x: v){
        ans=max(ans, (sum+x.b)-x.a+m);
        ans=max(ans, x.b);
        m=max(m, x.a-sum);
        sum+=x.b;
    }
    writeln(ans);
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	3 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	3 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	256 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	256 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	384 KB	Output is correct
18	Correct	2 ms	384 KB	Output is correct
19	Correct	2 ms	256 KB	Output is correct
20	Correct	2 ms	384 KB	Output is correct
21	Correct	2 ms	256 KB	Output is correct
22	Correct	2 ms	384 KB	Output is correct
23	Correct	2 ms	384 KB	Output is correct
24	Correct	2 ms	384 KB	Output is correct
25	Correct	2 ms	384 KB	Output is correct
26	Correct	2 ms	384 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	3 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	256 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	256 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	384 KB	Output is correct
18	Correct	2 ms	384 KB	Output is correct
19	Correct	2 ms	256 KB	Output is correct
20	Correct	2 ms	384 KB	Output is correct
21	Correct	2 ms	256 KB	Output is correct
22	Correct	2 ms	384 KB	Output is correct
23	Correct	2 ms	384 KB	Output is correct
24	Correct	2 ms	384 KB	Output is correct
25	Correct	2 ms	384 KB	Output is correct
26	Correct	2 ms	384 KB	Output is correct
27	Correct	3 ms	512 KB	Output is correct
28	Correct	3 ms	512 KB	Output is correct
29	Correct	3 ms	544 KB	Output is correct
30	Correct	3 ms	512 KB	Output is correct
31	Correct	3 ms	512 KB	Output is correct
32	Correct	3 ms	512 KB	Output is correct
33	Correct	3 ms	512 KB	Output is correct
34	Correct	4 ms	512 KB	Output is correct
35	Correct	4 ms	512 KB	Output is correct
36	Correct	3 ms	512 KB	Output is correct
37	Correct	4 ms	512 KB	Output is correct
38	Correct	3 ms	512 KB	Output is correct
39	Correct	3 ms	576 KB	Output is correct
40	Correct	3 ms	512 KB	Output is correct
41	Correct	4 ms	508 KB	Output is correct
42	Correct	4 ms	512 KB	Output is correct
43	Correct	4 ms	512 KB	Output is correct
44	Correct	4 ms	512 KB	Output is correct
45	Correct	4 ms	512 KB	Output is correct
46	Correct	4 ms	512 KB	Output is correct
47	Correct	4 ms	512 KB	Output is correct
48	Correct	4 ms	512 KB	Output is correct
49	Correct	4 ms	512 KB	Output is correct
50	Correct	4 ms	512 KB	Output is correct
51	Correct	3 ms	512 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	3 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	256 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	256 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	384 KB	Output is correct
18	Correct	2 ms	384 KB	Output is correct
19	Correct	2 ms	256 KB	Output is correct
20	Correct	2 ms	384 KB	Output is correct
21	Correct	2 ms	256 KB	Output is correct
22	Correct	2 ms	384 KB	Output is correct
23	Correct	2 ms	384 KB	Output is correct
24	Correct	2 ms	384 KB	Output is correct
25	Correct	2 ms	384 KB	Output is correct
26	Correct	2 ms	384 KB	Output is correct
27	Correct	3 ms	512 KB	Output is correct
28	Correct	3 ms	512 KB	Output is correct
29	Correct	3 ms	544 KB	Output is correct
30	Correct	3 ms	512 KB	Output is correct
31	Correct	3 ms	512 KB	Output is correct
32	Correct	3 ms	512 KB	Output is correct
33	Correct	3 ms	512 KB	Output is correct
34	Correct	4 ms	512 KB	Output is correct
35	Correct	4 ms	512 KB	Output is correct
36	Correct	3 ms	512 KB	Output is correct
37	Correct	4 ms	512 KB	Output is correct
38	Correct	3 ms	512 KB	Output is correct
39	Correct	3 ms	576 KB	Output is correct
40	Correct	3 ms	512 KB	Output is correct
41	Correct	4 ms	508 KB	Output is correct
42	Correct	4 ms	512 KB	Output is correct
43	Correct	4 ms	512 KB	Output is correct
44	Correct	4 ms	512 KB	Output is correct
45	Correct	4 ms	512 KB	Output is correct
46	Correct	4 ms	512 KB	Output is correct
47	Correct	4 ms	512 KB	Output is correct
48	Correct	4 ms	512 KB	Output is correct
49	Correct	4 ms	512 KB	Output is correct
50	Correct	4 ms	512 KB	Output is correct
51	Correct	3 ms	512 KB	Output is correct
52	Correct	151 ms	20840 KB	Output is correct
53	Correct	149 ms	20960 KB	Output is correct
54	Correct	152 ms	20856 KB	Output is correct
55	Correct	186 ms	20984 KB	Output is correct
56	Correct	156 ms	20856 KB	Output is correct
57	Correct	162 ms	20848 KB	Output is correct
58	Correct	158 ms	20988 KB	Output is correct
59	Correct	160 ms	20856 KB	Output is correct
60	Correct	157 ms	20800 KB	Output is correct
61	Correct	164 ms	20856 KB	Output is correct
62	Correct	181 ms	21036 KB	Output is correct
63	Correct	156 ms	20984 KB	Output is correct
64	Correct	155 ms	20960 KB	Output is correct
65	Correct	161 ms	20856 KB	Output is correct
66	Correct	192 ms	20972 KB	Output is correct
67	Correct	154 ms	20872 KB	Output is correct
68	Correct	150 ms	20856 KB	Output is correct

Submission #117941

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 20.0 / 20.0

Subtask #3 20.0 / 20.0

Subtask #4 50.0 / 50.0

Subtask #1
10.0 / 10.0

Subtask #2
20.0 / 20.0

Subtask #3
20.0 / 20.0

Subtask #4
50.0 / 50.0