oj.uz

Submission #41531

# Submission time Handle Problem Language Result Execution time Memory
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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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