답안 #208921

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
208921 2020-03-12T12:56:27 Z DodgeBallMan Just Long Neckties (JOI20_ho_t1) C++14
100 / 100
342 ms 8828 KB
#include <bits/stdc++.h>

using namespace std;

const int N = 2e5 + 10;

int n, a[N], b[N], temp[N];
int seg[2][N<<2];

void update( int t, int pos, int val, int l = 1, int r = n, int idx = 1 ) {
    if( l == r ) return void( seg[t][idx] = val );
    int m = l + r >> 1;
    if( pos <= m ) update( t, pos, val, l, m, idx<<1 );
    else update( t, pos, val, m + 1, r, idx<<1|1 );
    seg[t][idx] = max( seg[t][idx<<1], seg[t][idx<<1|1] );
    return ;
}

int query( int t, int ll, int rr, int l = 1, int r = n, int idx = 1 ) {
    //printf("t ll rr l r %d %d %d %d %d\n",t,ll,rr,l,r);
    if( rr < ll ) return -1e9;
    if( l > rr || r < ll ) return -1e9;
    if( l >= ll && r <= rr ) return seg[t][idx];
    int m = l + r >> 1;
    return max( query( t, ll, rr, l, m, idx<<1 ), query( t, ll, rr, m+1, r, idx<<1|1 ) );
}

int main()
{
    scanf("%d",&n);
    for( int i = 1 ; i <= n + 1 ; i++ ) {
        scanf("%d",&a[i]);
        temp[i] = a[i];
    }
    for( int i = 1 ; i <= n ; i++ ) scanf("%d",&b[i]);
    sort( a+1, a+2+n ), sort( b+1, b+1+n );
    for( int i = 1 ; i <= n ; i++ ) update( 0, i, max( a[i]-b[i], 0 ) );
    for( int i = 2 ; i <= n+1 ; i++ ) update( 1, i-1, max( a[i]-b[i-1], 0 ) );
    for( int i = 1 ; i <= n+1 ; i++ ) {
        int idx = lower_bound( a, a+2+n, temp[i] ) - a;
        //printf("%d ",idx);
        //printf("%d\n",query( 0, 1, i-1) );
        printf("%d ",max( query( 0, 1, idx-1 ), query( 1, idx, n ) ) );
    }
    return 0;
}

Compilation message

ho_t1.cpp: In function 'void update(int, int, int, int, int, int)':
ho_t1.cpp:12:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int m = l + r >> 1;
             ~~^~~
ho_t1.cpp: In function 'int query(int, int, int, int, int, int)':
ho_t1.cpp:24:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int m = l + r >> 1;
             ~~^~~
ho_t1.cpp: In function 'int main()':
ho_t1.cpp:30:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
ho_t1.cpp:32:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&a[i]);
         ~~~~~^~~~~~~~~~~~
ho_t1.cpp:35:42: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for( int i = 1 ; i <= n ; i++ ) scanf("%d",&b[i]);
                                     ~~~~~^~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 6 ms 504 KB Output is correct
15 Correct 7 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 7 ms 376 KB Output is correct
18 Correct 6 ms 376 KB Output is correct
19 Correct 6 ms 376 KB Output is correct
20 Correct 7 ms 376 KB Output is correct
21 Correct 6 ms 376 KB Output is correct
22 Correct 6 ms 376 KB Output is correct
23 Correct 7 ms 508 KB Output is correct
24 Correct 7 ms 376 KB Output is correct
25 Correct 7 ms 380 KB Output is correct
26 Correct 7 ms 376 KB Output is correct
27 Correct 7 ms 376 KB Output is correct
28 Correct 7 ms 376 KB Output is correct
29 Correct 6 ms 376 KB Output is correct
30 Correct 6 ms 380 KB Output is correct
31 Correct 7 ms 376 KB Output is correct
32 Correct 7 ms 376 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 6 ms 504 KB Output is correct
15 Correct 7 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 7 ms 376 KB Output is correct
18 Correct 6 ms 376 KB Output is correct
19 Correct 6 ms 376 KB Output is correct
20 Correct 7 ms 376 KB Output is correct
21 Correct 6 ms 376 KB Output is correct
22 Correct 6 ms 376 KB Output is correct
23 Correct 7 ms 508 KB Output is correct
24 Correct 7 ms 376 KB Output is correct
25 Correct 7 ms 380 KB Output is correct
26 Correct 7 ms 376 KB Output is correct
27 Correct 7 ms 376 KB Output is correct
28 Correct 7 ms 376 KB Output is correct
29 Correct 6 ms 376 KB Output is correct
30 Correct 6 ms 380 KB Output is correct
31 Correct 7 ms 376 KB Output is correct
32 Correct 7 ms 376 KB Output is correct
33 Correct 327 ms 8160 KB Output is correct
34 Correct 327 ms 8312 KB Output is correct
35 Correct 318 ms 8312 KB Output is correct
36 Correct 323 ms 8696 KB Output is correct
37 Correct 332 ms 8828 KB Output is correct
38 Correct 330 ms 8696 KB Output is correct
39 Correct 327 ms 7944 KB Output is correct
40 Correct 320 ms 7800 KB Output is correct
41 Correct 319 ms 7928 KB Output is correct
42 Correct 329 ms 8056 KB Output is correct
43 Correct 306 ms 7928 KB Output is correct
44 Correct 310 ms 7544 KB Output is correct
45 Correct 324 ms 7544 KB Output is correct
46 Correct 309 ms 7544 KB Output is correct
47 Correct 248 ms 7416 KB Output is correct
48 Correct 249 ms 7288 KB Output is correct
49 Correct 342 ms 8056 KB Output is correct
50 Correct 337 ms 8056 KB Output is correct
51 Correct 342 ms 7964 KB Output is correct
52 Correct 335 ms 7928 KB Output is correct
53 Correct 338 ms 8184 KB Output is correct