#include<bits/stdc++.h>
using namespace std ;
#define ll long long
#define maxn 1000009
#define fi first
#define se second
#define pb push_back
#define left id<<1
#define right id<<1|1
#define re exit(0);
#define _lower(x) lower_bound(v.begin(),v.end(),x)-v.begin()+1
const int mod = 1e9+7 ;
const int INF = 1e9 ;
const int LOG = 18 ;
typedef vector<int> vi ;
typedef pair<int,int> pii ;
typedef vector<ll> vl ;
typedef vector<pii> vii ;
void add ( int &a , int b )
{
a += b ;
if ( a < 0 ) a += mod ;
if ( a >= mod ) a -= mod ;
}
template < typename T > void chkmin ( T &a , T b ) { if ( a > b ) a = b ; }
template < typename T > void chkmax ( T &a , T b ) { if ( a < b ) a = b ; }
void rf ()
{
freopen ("bai1.inp","r",stdin) ;
// freopen ("bai1.out","w",stdout) ;
}
int _pow ( int a , int n )
{
if ( n == 0 ) return 1 ;
int res = _pow (a,n/2) ;
if ( n % 2 ) return 1ll*res*res%mod*a%mod ;
else return 1ll*res*res%mod ;
}
int n , nq ;
int a [maxn] ;
int le [maxn] ;
int ans [maxn] ;
struct even
{
int l , k , id ;
};
vector <even> event [maxn] ;
int T [maxn*4] ;
void update ( int id , int l , int r , int pos , int w )
{
if ( l > pos || r < pos ) return ;
if ( l == r )
{
T [id] = w ;
return ;
}
int mid = (l+r)/2 ;
update (left,l,mid,pos,w) ; update (right,mid+1,r,pos,w) ;
T [id] = max (T[left],T[right]) ;
}
int get ( int id , int l , int r , int u , int v )
{
if ( l > v || r < u ) return 0 ;
if ( u <= l && r <= v ) return T [id] ;
int mid = (l+r)/2 ;
return max (get(left,l,mid,u,v),get(right,mid+1,r,u,v)) ;
}
int main ()
{
ios_base::sync_with_stdio(0);
cin.tie(0);cout.tie(0) ;
// rf () ;
cin >> n >> nq ;
for ( int i = 1 ; i <= n ; i ++ )
{
cin >> a [i] ;
}
for ( int i = 1 ; i <= nq ; i ++ )
{
int l , r , k ; cin >> l >> r >> k ;
event [r] . pb ({l,k,i}) ;
}
stack <int> stk ;
for ( int i = 1 ; i <= n ; i ++ )
{
while (!stk.empty()&&a[stk.top()]<=a[i]) stk.pop() ;
le [i] = stk.empty() ? 0 : stk.top() ;
stk.push (i) ;
}
for ( int i = 1 ; i <= n ; i ++ )
{
if ( le [i] ) update (1,1,n,le[i],a[le[i]]+a[i]) ;
for ( auto x : event [i] )
{
int Max = get (1,1,n,x.l,i) ;
ans [x.id] = ( Max <= x.k ) ;
}
}
for ( int i = 1 ; i <= nq ; i ++ ) cout << ans [i] << "\n" ;
}
// range , error , check special , ...
// find key , find key
//'-std=c++11' stay hard
// there is no tomorrow
Compilation message
sortbooks.cpp: In function 'void rf()':
sortbooks.cpp:34:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
34 | freopen ("bai1.inp","r",stdin) ;
| ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
29276 KB |
Output is correct |
2 |
Correct |
6 ms |
29020 KB |
Output is correct |
3 |
Correct |
6 ms |
29144 KB |
Output is correct |
4 |
Correct |
6 ms |
29020 KB |
Output is correct |
5 |
Correct |
6 ms |
29020 KB |
Output is correct |
6 |
Correct |
6 ms |
29020 KB |
Output is correct |
7 |
Correct |
6 ms |
29020 KB |
Output is correct |
8 |
Correct |
6 ms |
29020 KB |
Output is correct |
9 |
Correct |
7 ms |
29020 KB |
Output is correct |
10 |
Correct |
6 ms |
29020 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
29276 KB |
Output is correct |
2 |
Correct |
6 ms |
29020 KB |
Output is correct |
3 |
Correct |
6 ms |
29144 KB |
Output is correct |
4 |
Correct |
6 ms |
29020 KB |
Output is correct |
5 |
Correct |
6 ms |
29020 KB |
Output is correct |
6 |
Correct |
6 ms |
29020 KB |
Output is correct |
7 |
Correct |
6 ms |
29020 KB |
Output is correct |
8 |
Correct |
6 ms |
29020 KB |
Output is correct |
9 |
Correct |
7 ms |
29020 KB |
Output is correct |
10 |
Correct |
6 ms |
29020 KB |
Output is correct |
11 |
Correct |
7 ms |
29276 KB |
Output is correct |
12 |
Correct |
8 ms |
29276 KB |
Output is correct |
13 |
Correct |
8 ms |
29276 KB |
Output is correct |
14 |
Correct |
9 ms |
29532 KB |
Output is correct |
15 |
Correct |
9 ms |
29532 KB |
Output is correct |
16 |
Correct |
9 ms |
29276 KB |
Output is correct |
17 |
Correct |
8 ms |
29272 KB |
Output is correct |
18 |
Correct |
8 ms |
29276 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1058 ms |
92528 KB |
Output is correct |
2 |
Correct |
1061 ms |
101728 KB |
Output is correct |
3 |
Correct |
1063 ms |
101508 KB |
Output is correct |
4 |
Correct |
1068 ms |
101696 KB |
Output is correct |
5 |
Correct |
910 ms |
93176 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
90 ms |
39584 KB |
Output is correct |
2 |
Correct |
75 ms |
39396 KB |
Output is correct |
3 |
Correct |
63 ms |
37460 KB |
Output is correct |
4 |
Correct |
66 ms |
37456 KB |
Output is correct |
5 |
Correct |
66 ms |
37384 KB |
Output is correct |
6 |
Correct |
54 ms |
39248 KB |
Output is correct |
7 |
Correct |
57 ms |
38896 KB |
Output is correct |
8 |
Correct |
63 ms |
37128 KB |
Output is correct |
9 |
Correct |
33 ms |
34060 KB |
Output is correct |
10 |
Correct |
63 ms |
37056 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
29276 KB |
Output is correct |
2 |
Correct |
6 ms |
29020 KB |
Output is correct |
3 |
Correct |
6 ms |
29144 KB |
Output is correct |
4 |
Correct |
6 ms |
29020 KB |
Output is correct |
5 |
Correct |
6 ms |
29020 KB |
Output is correct |
6 |
Correct |
6 ms |
29020 KB |
Output is correct |
7 |
Correct |
6 ms |
29020 KB |
Output is correct |
8 |
Correct |
6 ms |
29020 KB |
Output is correct |
9 |
Correct |
7 ms |
29020 KB |
Output is correct |
10 |
Correct |
6 ms |
29020 KB |
Output is correct |
11 |
Correct |
7 ms |
29276 KB |
Output is correct |
12 |
Correct |
8 ms |
29276 KB |
Output is correct |
13 |
Correct |
8 ms |
29276 KB |
Output is correct |
14 |
Correct |
9 ms |
29532 KB |
Output is correct |
15 |
Correct |
9 ms |
29532 KB |
Output is correct |
16 |
Correct |
9 ms |
29276 KB |
Output is correct |
17 |
Correct |
8 ms |
29272 KB |
Output is correct |
18 |
Correct |
8 ms |
29276 KB |
Output is correct |
19 |
Correct |
183 ms |
48792 KB |
Output is correct |
20 |
Correct |
173 ms |
48628 KB |
Output is correct |
21 |
Correct |
155 ms |
47908 KB |
Output is correct |
22 |
Correct |
156 ms |
47968 KB |
Output is correct |
23 |
Correct |
154 ms |
47980 KB |
Output is correct |
24 |
Correct |
123 ms |
45648 KB |
Output is correct |
25 |
Correct |
127 ms |
45892 KB |
Output is correct |
26 |
Correct |
137 ms |
45960 KB |
Output is correct |
27 |
Correct |
133 ms |
45908 KB |
Output is correct |
28 |
Correct |
138 ms |
46160 KB |
Output is correct |
29 |
Correct |
147 ms |
46348 KB |
Output is correct |
30 |
Correct |
151 ms |
46420 KB |
Output is correct |
31 |
Correct |
145 ms |
46420 KB |
Output is correct |
32 |
Correct |
151 ms |
46536 KB |
Output is correct |
33 |
Correct |
153 ms |
46548 KB |
Output is correct |
34 |
Correct |
113 ms |
47184 KB |
Output is correct |
35 |
Correct |
112 ms |
47184 KB |
Output is correct |
36 |
Correct |
119 ms |
47188 KB |
Output is correct |
37 |
Correct |
122 ms |
46932 KB |
Output is correct |
38 |
Correct |
123 ms |
47184 KB |
Output is correct |
39 |
Correct |
142 ms |
45836 KB |
Output is correct |
40 |
Correct |
100 ms |
43700 KB |
Output is correct |
41 |
Correct |
126 ms |
44440 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
29276 KB |
Output is correct |
2 |
Correct |
6 ms |
29020 KB |
Output is correct |
3 |
Correct |
6 ms |
29144 KB |
Output is correct |
4 |
Correct |
6 ms |
29020 KB |
Output is correct |
5 |
Correct |
6 ms |
29020 KB |
Output is correct |
6 |
Correct |
6 ms |
29020 KB |
Output is correct |
7 |
Correct |
6 ms |
29020 KB |
Output is correct |
8 |
Correct |
6 ms |
29020 KB |
Output is correct |
9 |
Correct |
7 ms |
29020 KB |
Output is correct |
10 |
Correct |
6 ms |
29020 KB |
Output is correct |
11 |
Correct |
7 ms |
29276 KB |
Output is correct |
12 |
Correct |
8 ms |
29276 KB |
Output is correct |
13 |
Correct |
8 ms |
29276 KB |
Output is correct |
14 |
Correct |
9 ms |
29532 KB |
Output is correct |
15 |
Correct |
9 ms |
29532 KB |
Output is correct |
16 |
Correct |
9 ms |
29276 KB |
Output is correct |
17 |
Correct |
8 ms |
29272 KB |
Output is correct |
18 |
Correct |
8 ms |
29276 KB |
Output is correct |
19 |
Correct |
1058 ms |
92528 KB |
Output is correct |
20 |
Correct |
1061 ms |
101728 KB |
Output is correct |
21 |
Correct |
1063 ms |
101508 KB |
Output is correct |
22 |
Correct |
1068 ms |
101696 KB |
Output is correct |
23 |
Correct |
910 ms |
93176 KB |
Output is correct |
24 |
Correct |
90 ms |
39584 KB |
Output is correct |
25 |
Correct |
75 ms |
39396 KB |
Output is correct |
26 |
Correct |
63 ms |
37460 KB |
Output is correct |
27 |
Correct |
66 ms |
37456 KB |
Output is correct |
28 |
Correct |
66 ms |
37384 KB |
Output is correct |
29 |
Correct |
54 ms |
39248 KB |
Output is correct |
30 |
Correct |
57 ms |
38896 KB |
Output is correct |
31 |
Correct |
63 ms |
37128 KB |
Output is correct |
32 |
Correct |
33 ms |
34060 KB |
Output is correct |
33 |
Correct |
63 ms |
37056 KB |
Output is correct |
34 |
Correct |
183 ms |
48792 KB |
Output is correct |
35 |
Correct |
173 ms |
48628 KB |
Output is correct |
36 |
Correct |
155 ms |
47908 KB |
Output is correct |
37 |
Correct |
156 ms |
47968 KB |
Output is correct |
38 |
Correct |
154 ms |
47980 KB |
Output is correct |
39 |
Correct |
123 ms |
45648 KB |
Output is correct |
40 |
Correct |
127 ms |
45892 KB |
Output is correct |
41 |
Correct |
137 ms |
45960 KB |
Output is correct |
42 |
Correct |
133 ms |
45908 KB |
Output is correct |
43 |
Correct |
138 ms |
46160 KB |
Output is correct |
44 |
Correct |
147 ms |
46348 KB |
Output is correct |
45 |
Correct |
151 ms |
46420 KB |
Output is correct |
46 |
Correct |
145 ms |
46420 KB |
Output is correct |
47 |
Correct |
151 ms |
46536 KB |
Output is correct |
48 |
Correct |
153 ms |
46548 KB |
Output is correct |
49 |
Correct |
113 ms |
47184 KB |
Output is correct |
50 |
Correct |
112 ms |
47184 KB |
Output is correct |
51 |
Correct |
119 ms |
47188 KB |
Output is correct |
52 |
Correct |
122 ms |
46932 KB |
Output is correct |
53 |
Correct |
123 ms |
47184 KB |
Output is correct |
54 |
Correct |
142 ms |
45836 KB |
Output is correct |
55 |
Correct |
100 ms |
43700 KB |
Output is correct |
56 |
Correct |
126 ms |
44440 KB |
Output is correct |
57 |
Correct |
1060 ms |
101764 KB |
Output is correct |
58 |
Correct |
1051 ms |
101756 KB |
Output is correct |
59 |
Correct |
974 ms |
100384 KB |
Output is correct |
60 |
Correct |
995 ms |
100444 KB |
Output is correct |
61 |
Correct |
992 ms |
100280 KB |
Output is correct |
62 |
Correct |
989 ms |
100120 KB |
Output is correct |
63 |
Correct |
627 ms |
88548 KB |
Output is correct |
64 |
Correct |
642 ms |
89004 KB |
Output is correct |
65 |
Correct |
861 ms |
91624 KB |
Output is correct |
66 |
Correct |
890 ms |
91628 KB |
Output is correct |
67 |
Correct |
875 ms |
91752 KB |
Output is correct |
68 |
Correct |
873 ms |
93524 KB |
Output is correct |
69 |
Correct |
901 ms |
93472 KB |
Output is correct |
70 |
Correct |
903 ms |
93156 KB |
Output is correct |
71 |
Correct |
874 ms |
93460 KB |
Output is correct |
72 |
Correct |
884 ms |
93012 KB |
Output is correct |
73 |
Correct |
605 ms |
88492 KB |
Output is correct |
74 |
Correct |
566 ms |
89840 KB |
Output is correct |
75 |
Correct |
598 ms |
88552 KB |
Output is correct |
76 |
Correct |
549 ms |
88824 KB |
Output is correct |
77 |
Correct |
564 ms |
88524 KB |
Output is correct |
78 |
Correct |
772 ms |
89860 KB |
Output is correct |
79 |
Correct |
552 ms |
77048 KB |
Output is correct |
80 |
Correct |
791 ms |
82820 KB |
Output is correct |