답안 #41531 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
41531	2018-02-18T12:47:18 Z	chonka	Art Exhibition (JOI18_art)	C++	100 / 100	302 ms	12720 KB

#include<iostream>
#include<stdio.h>
#include<algorithm>
using namespace std ;

#define MAXN 500007

int n ;
pair < long long , long long > a[ MAXN ] ;
long long pref[ MAXN ] ;

void input ( ) {
    scanf ( "%d" , &n ) ;
    int i ;
    for ( i = 1 ; i <= n ; i ++ ) {
        scanf ( "%lld%lld" , &a[ i ].first , &a[ i ].second ) ;
    }
    sort ( a + 1 , a + n + 1 ) ;
    for ( i = 1 ; i <= n ; i ++ ) {
        pref[ i ] = ( pref[ i - 1 ] + a[ i ].second ) ;
    }
}

void solve ( ) {
    int i ;
    long long mn = -a[ 1 ].first ;
    long long ans = 0 ;
    for ( i = 1 ; i <= n ; i ++ ) {
        if ( mn > pref[ i - 1 ] - a[ i ].first ) {
            mn = pref[ i - 1 ] - a[ i ].first ;
        }
        if ( ans < pref[ i ] - a[ i ].first - mn ) {
            ans = pref[ i ] - a[ i ].first - mn ;
        }
    }
    printf ( "%lld\n" , ans ) ;
}

int main ( ) {
    input ( ) ;
    solve ( ) ;
    return 0 ;
}

Compilation message

art.cpp: In function 'void input()':
art.cpp:13:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf ( "%d" , &n ) ;
                         ^
art.cpp:16:63: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf ( "%lld%lld" , &a[ i ].first , &a[ i ].second ) ;
                                                               ^

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	8056 KB	Output is correct
2	Correct	9 ms	8160 KB	Output is correct
3	Correct	9 ms	8268 KB	Output is correct
4	Correct	8 ms	8420 KB	Output is correct
5	Correct	8 ms	8420 KB	Output is correct
6	Correct	9 ms	8420 KB	Output is correct
7	Correct	7 ms	8420 KB	Output is correct
8	Correct	9 ms	8420 KB	Output is correct
9	Correct	9 ms	8420 KB	Output is correct
10	Correct	7 ms	8420 KB	Output is correct
11	Correct	7 ms	8464 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	8056 KB	Output is correct
2	Correct	9 ms	8160 KB	Output is correct
3	Correct	9 ms	8268 KB	Output is correct
4	Correct	8 ms	8420 KB	Output is correct
5	Correct	8 ms	8420 KB	Output is correct
6	Correct	9 ms	8420 KB	Output is correct
7	Correct	7 ms	8420 KB	Output is correct
8	Correct	9 ms	8420 KB	Output is correct
9	Correct	9 ms	8420 KB	Output is correct
10	Correct	7 ms	8420 KB	Output is correct
11	Correct	7 ms	8464 KB	Output is correct
12	Correct	7 ms	8468 KB	Output is correct
13	Correct	8 ms	8476 KB	Output is correct
14	Correct	9 ms	8484 KB	Output is correct
15	Correct	8 ms	8492 KB	Output is correct
16	Correct	8 ms	8500 KB	Output is correct
17	Correct	7 ms	8508 KB	Output is correct
18	Correct	7 ms	8516 KB	Output is correct
19	Correct	7 ms	8524 KB	Output is correct
20	Correct	7 ms	8532 KB	Output is correct
21	Correct	7 ms	8540 KB	Output is correct
22	Correct	7 ms	8552 KB	Output is correct
23	Correct	8 ms	8664 KB	Output is correct
24	Correct	7 ms	8664 KB	Output is correct
25	Correct	7 ms	8664 KB	Output is correct
26	Correct	7 ms	8664 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	8056 KB	Output is correct
2	Correct	9 ms	8160 KB	Output is correct
3	Correct	9 ms	8268 KB	Output is correct
4	Correct	8 ms	8420 KB	Output is correct
5	Correct	8 ms	8420 KB	Output is correct
6	Correct	9 ms	8420 KB	Output is correct
7	Correct	7 ms	8420 KB	Output is correct
8	Correct	9 ms	8420 KB	Output is correct
9	Correct	9 ms	8420 KB	Output is correct
10	Correct	7 ms	8420 KB	Output is correct
11	Correct	7 ms	8464 KB	Output is correct
12	Correct	7 ms	8468 KB	Output is correct
13	Correct	8 ms	8476 KB	Output is correct
14	Correct	9 ms	8484 KB	Output is correct
15	Correct	8 ms	8492 KB	Output is correct
16	Correct	8 ms	8500 KB	Output is correct
17	Correct	7 ms	8508 KB	Output is correct
18	Correct	7 ms	8516 KB	Output is correct
19	Correct	7 ms	8524 KB	Output is correct
20	Correct	7 ms	8532 KB	Output is correct
21	Correct	7 ms	8540 KB	Output is correct
22	Correct	7 ms	8552 KB	Output is correct
23	Correct	8 ms	8664 KB	Output is correct
24	Correct	7 ms	8664 KB	Output is correct
25	Correct	7 ms	8664 KB	Output is correct
26	Correct	7 ms	8664 KB	Output is correct
27	Correct	9 ms	8720 KB	Output is correct
28	Correct	9 ms	8720 KB	Output is correct
29	Correct	11 ms	8720 KB	Output is correct
30	Correct	11 ms	8720 KB	Output is correct
31	Correct	9 ms	8720 KB	Output is correct
32	Correct	10 ms	8720 KB	Output is correct
33	Correct	9 ms	8820 KB	Output is correct
34	Correct	12 ms	8820 KB	Output is correct
35	Correct	10 ms	8820 KB	Output is correct
36	Correct	9 ms	8820 KB	Output is correct
37	Correct	9 ms	8820 KB	Output is correct
38	Correct	9 ms	8820 KB	Output is correct
39	Correct	9 ms	8820 KB	Output is correct
40	Correct	9 ms	8820 KB	Output is correct
41	Correct	9 ms	8820 KB	Output is correct
42	Correct	10 ms	8820 KB	Output is correct
43	Correct	9 ms	8820 KB	Output is correct
44	Correct	9 ms	8820 KB	Output is correct
45	Correct	9 ms	8820 KB	Output is correct
46	Correct	9 ms	8820 KB	Output is correct
47	Correct	11 ms	8820 KB	Output is correct
48	Correct	10 ms	8820 KB	Output is correct
49	Correct	9 ms	8820 KB	Output is correct
50	Correct	12 ms	8820 KB	Output is correct
51	Correct	10 ms	8820 KB	Output is correct

Subtask #4
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	8056 KB	Output is correct
2	Correct	9 ms	8160 KB	Output is correct
3	Correct	9 ms	8268 KB	Output is correct
4	Correct	8 ms	8420 KB	Output is correct
5	Correct	8 ms	8420 KB	Output is correct
6	Correct	9 ms	8420 KB	Output is correct
7	Correct	7 ms	8420 KB	Output is correct
8	Correct	9 ms	8420 KB	Output is correct
9	Correct	9 ms	8420 KB	Output is correct
10	Correct	7 ms	8420 KB	Output is correct
11	Correct	7 ms	8464 KB	Output is correct
12	Correct	7 ms	8468 KB	Output is correct
13	Correct	8 ms	8476 KB	Output is correct
14	Correct	9 ms	8484 KB	Output is correct
15	Correct	8 ms	8492 KB	Output is correct
16	Correct	8 ms	8500 KB	Output is correct
17	Correct	7 ms	8508 KB	Output is correct
18	Correct	7 ms	8516 KB	Output is correct
19	Correct	7 ms	8524 KB	Output is correct
20	Correct	7 ms	8532 KB	Output is correct
21	Correct	7 ms	8540 KB	Output is correct
22	Correct	7 ms	8552 KB	Output is correct
23	Correct	8 ms	8664 KB	Output is correct
24	Correct	7 ms	8664 KB	Output is correct
25	Correct	7 ms	8664 KB	Output is correct
26	Correct	7 ms	8664 KB	Output is correct
27	Correct	9 ms	8720 KB	Output is correct
28	Correct	9 ms	8720 KB	Output is correct
29	Correct	11 ms	8720 KB	Output is correct
30	Correct	11 ms	8720 KB	Output is correct
31	Correct	9 ms	8720 KB	Output is correct
32	Correct	10 ms	8720 KB	Output is correct
33	Correct	9 ms	8820 KB	Output is correct
34	Correct	12 ms	8820 KB	Output is correct
35	Correct	10 ms	8820 KB	Output is correct
36	Correct	9 ms	8820 KB	Output is correct
37	Correct	9 ms	8820 KB	Output is correct
38	Correct	9 ms	8820 KB	Output is correct
39	Correct	9 ms	8820 KB	Output is correct
40	Correct	9 ms	8820 KB	Output is correct
41	Correct	9 ms	8820 KB	Output is correct
42	Correct	10 ms	8820 KB	Output is correct
43	Correct	9 ms	8820 KB	Output is correct
44	Correct	9 ms	8820 KB	Output is correct
45	Correct	9 ms	8820 KB	Output is correct
46	Correct	9 ms	8820 KB	Output is correct
47	Correct	11 ms	8820 KB	Output is correct
48	Correct	10 ms	8820 KB	Output is correct
49	Correct	9 ms	8820 KB	Output is correct
50	Correct	12 ms	8820 KB	Output is correct
51	Correct	10 ms	8820 KB	Output is correct
52	Correct	268 ms	12544 KB	Output is correct
53	Correct	276 ms	12660 KB	Output is correct
54	Correct	267 ms	12660 KB	Output is correct
55	Correct	302 ms	12660 KB	Output is correct
56	Correct	268 ms	12660 KB	Output is correct
57	Correct	281 ms	12660 KB	Output is correct
58	Correct	285 ms	12720 KB	Output is correct
59	Correct	269 ms	12720 KB	Output is correct
60	Correct	264 ms	12720 KB	Output is correct
61	Correct	275 ms	12720 KB	Output is correct
62	Correct	259 ms	12720 KB	Output is correct
63	Correct	266 ms	12720 KB	Output is correct
64	Correct	281 ms	12720 KB	Output is correct
65	Correct	271 ms	12720 KB	Output is correct
66	Correct	302 ms	12720 KB	Output is correct
67	Correct	260 ms	12720 KB	Output is correct
68	Correct	249 ms	12720 KB	Output is correct

답안 #41531

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