#include <bits/stdc++.h>
#define MAXN 1000007
using namespace std;
int seg[4*MAXN],a[MAXN],ans[MAXN];
vector<int> ul[MAXN],uk[MAXN],ind[MAXN];
void upd(int l,int r,int x,int v,int ind)
{
if(l==r) {seg[ind]=v; return;}
int s=(l+r)/2;
if(x<=s) upd(l,s,x,v,2*ind);
else upd(s+1,r,x,v,2*ind+1);
seg[ind]=max(seg[2*ind],seg[2*ind+1]);
}
int nmax(int l,int r,int lt,int rt,int ind)
{
if(l>=lt && r<=rt) return seg[ind];
if(l>rt || r<lt) return 0;
int s=(l+r)/2;
return max(nmax(l,s,lt,rt,2*ind),nmax(s+1,r,lt,rt,2*ind+1));
}
int main()
{
int n,m;
scanf("%d%d",&n,&m);
for(int i=1;i<=n;i++) scanf("%d",&a[i]);
a[0]=1000000007;
for(int i=0;i<m;i++)
{
int t1,t2,t3;
scanf("%d%d%d",&t1,&t2,&t3);
ul[t2].push_back(t1); uk[t2].push_back(t3); ind[t2].push_back(i);
}
stack<int> st; st.push(0);
for(int i=1;i<=n;i++)
{
while(a[st.top()]<=a[i]) st.pop();
upd(0,n,st.top(),a[i]+a[st.top()],1);
st.push(i);
for(int j=0;j<ul[i].size();j++) ans[ind[i][j]]=(nmax(0,n,ul[i][j],i,1)>uk[i][j]?0:1);
}
for(int i=0;i<m;i++) printf("%d\n",ans[i]);
}
Compilation message
sortbooks.cpp: In function 'int main()':
sortbooks.cpp:39:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int j=0;j<ul[i].size();j++) ans[ind[i][j]]=(nmax(0,n,ul[i][j],i,1)>uk[i][j]?0:1);
~^~~~~~~~~~~~~
sortbooks.cpp:24:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d",&n,&m);
~~~~~^~~~~~~~~~~~~~
sortbooks.cpp:25:29: 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",&a[i]);
~~~~~^~~~~~~~~~~~
sortbooks.cpp:30:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d%d",&t1,&t2,&t3);
~~~~~^~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
68 ms |
70904 KB |
Output is correct |
2 |
Correct |
67 ms |
70776 KB |
Output is correct |
3 |
Correct |
67 ms |
70776 KB |
Output is correct |
4 |
Correct |
68 ms |
70904 KB |
Output is correct |
5 |
Correct |
67 ms |
70776 KB |
Output is correct |
6 |
Correct |
68 ms |
70904 KB |
Output is correct |
7 |
Correct |
68 ms |
70872 KB |
Output is correct |
8 |
Correct |
68 ms |
70776 KB |
Output is correct |
9 |
Correct |
68 ms |
70776 KB |
Output is correct |
10 |
Correct |
68 ms |
70776 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
68 ms |
70904 KB |
Output is correct |
2 |
Correct |
67 ms |
70776 KB |
Output is correct |
3 |
Correct |
67 ms |
70776 KB |
Output is correct |
4 |
Correct |
68 ms |
70904 KB |
Output is correct |
5 |
Correct |
67 ms |
70776 KB |
Output is correct |
6 |
Correct |
68 ms |
70904 KB |
Output is correct |
7 |
Correct |
68 ms |
70872 KB |
Output is correct |
8 |
Correct |
68 ms |
70776 KB |
Output is correct |
9 |
Correct |
68 ms |
70776 KB |
Output is correct |
10 |
Correct |
68 ms |
70776 KB |
Output is correct |
11 |
Correct |
75 ms |
71020 KB |
Output is correct |
12 |
Correct |
73 ms |
71004 KB |
Output is correct |
13 |
Correct |
75 ms |
71160 KB |
Output is correct |
14 |
Correct |
75 ms |
71132 KB |
Output is correct |
15 |
Correct |
75 ms |
71312 KB |
Output is correct |
16 |
Correct |
75 ms |
71160 KB |
Output is correct |
17 |
Correct |
74 ms |
71160 KB |
Output is correct |
18 |
Correct |
73 ms |
71160 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2627 ms |
142844 KB |
Output is correct |
2 |
Correct |
2634 ms |
142756 KB |
Output is correct |
3 |
Correct |
2630 ms |
142760 KB |
Output is correct |
4 |
Correct |
2614 ms |
142868 KB |
Output is correct |
5 |
Correct |
2481 ms |
134652 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
254 ms |
77788 KB |
Output is correct |
2 |
Correct |
212 ms |
75396 KB |
Output is correct |
3 |
Correct |
230 ms |
76024 KB |
Output is correct |
4 |
Correct |
239 ms |
76448 KB |
Output is correct |
5 |
Correct |
244 ms |
76648 KB |
Output is correct |
6 |
Correct |
167 ms |
73672 KB |
Output is correct |
7 |
Correct |
175 ms |
73592 KB |
Output is correct |
8 |
Correct |
217 ms |
76508 KB |
Output is correct |
9 |
Correct |
124 ms |
72816 KB |
Output is correct |
10 |
Correct |
215 ms |
76400 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
68 ms |
70904 KB |
Output is correct |
2 |
Correct |
67 ms |
70776 KB |
Output is correct |
3 |
Correct |
67 ms |
70776 KB |
Output is correct |
4 |
Correct |
68 ms |
70904 KB |
Output is correct |
5 |
Correct |
67 ms |
70776 KB |
Output is correct |
6 |
Correct |
68 ms |
70904 KB |
Output is correct |
7 |
Correct |
68 ms |
70872 KB |
Output is correct |
8 |
Correct |
68 ms |
70776 KB |
Output is correct |
9 |
Correct |
68 ms |
70776 KB |
Output is correct |
10 |
Correct |
68 ms |
70776 KB |
Output is correct |
11 |
Correct |
75 ms |
71020 KB |
Output is correct |
12 |
Correct |
73 ms |
71004 KB |
Output is correct |
13 |
Correct |
75 ms |
71160 KB |
Output is correct |
14 |
Correct |
75 ms |
71132 KB |
Output is correct |
15 |
Correct |
75 ms |
71312 KB |
Output is correct |
16 |
Correct |
75 ms |
71160 KB |
Output is correct |
17 |
Correct |
74 ms |
71160 KB |
Output is correct |
18 |
Correct |
73 ms |
71160 KB |
Output is correct |
19 |
Correct |
503 ms |
84648 KB |
Output is correct |
20 |
Correct |
501 ms |
84632 KB |
Output is correct |
21 |
Correct |
386 ms |
79524 KB |
Output is correct |
22 |
Correct |
381 ms |
79480 KB |
Output is correct |
23 |
Correct |
402 ms |
79392 KB |
Output is correct |
24 |
Correct |
343 ms |
77048 KB |
Output is correct |
25 |
Correct |
349 ms |
83192 KB |
Output is correct |
26 |
Correct |
432 ms |
85532 KB |
Output is correct |
27 |
Correct |
422 ms |
85640 KB |
Output is correct |
28 |
Correct |
437 ms |
86392 KB |
Output is correct |
29 |
Correct |
494 ms |
89088 KB |
Output is correct |
30 |
Correct |
478 ms |
89336 KB |
Output is correct |
31 |
Correct |
474 ms |
89008 KB |
Output is correct |
32 |
Correct |
495 ms |
88864 KB |
Output is correct |
33 |
Correct |
478 ms |
88952 KB |
Output is correct |
34 |
Correct |
299 ms |
82300 KB |
Output is correct |
35 |
Correct |
303 ms |
82488 KB |
Output is correct |
36 |
Correct |
298 ms |
82372 KB |
Output is correct |
37 |
Correct |
298 ms |
82308 KB |
Output is correct |
38 |
Correct |
304 ms |
82424 KB |
Output is correct |
39 |
Correct |
418 ms |
87404 KB |
Output is correct |
40 |
Correct |
335 ms |
84836 KB |
Output is correct |
41 |
Correct |
396 ms |
86588 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
68 ms |
70904 KB |
Output is correct |
2 |
Correct |
67 ms |
70776 KB |
Output is correct |
3 |
Correct |
67 ms |
70776 KB |
Output is correct |
4 |
Correct |
68 ms |
70904 KB |
Output is correct |
5 |
Correct |
67 ms |
70776 KB |
Output is correct |
6 |
Correct |
68 ms |
70904 KB |
Output is correct |
7 |
Correct |
68 ms |
70872 KB |
Output is correct |
8 |
Correct |
68 ms |
70776 KB |
Output is correct |
9 |
Correct |
68 ms |
70776 KB |
Output is correct |
10 |
Correct |
68 ms |
70776 KB |
Output is correct |
11 |
Correct |
75 ms |
71020 KB |
Output is correct |
12 |
Correct |
73 ms |
71004 KB |
Output is correct |
13 |
Correct |
75 ms |
71160 KB |
Output is correct |
14 |
Correct |
75 ms |
71132 KB |
Output is correct |
15 |
Correct |
75 ms |
71312 KB |
Output is correct |
16 |
Correct |
75 ms |
71160 KB |
Output is correct |
17 |
Correct |
74 ms |
71160 KB |
Output is correct |
18 |
Correct |
73 ms |
71160 KB |
Output is correct |
19 |
Correct |
2627 ms |
142844 KB |
Output is correct |
20 |
Correct |
2634 ms |
142756 KB |
Output is correct |
21 |
Correct |
2630 ms |
142760 KB |
Output is correct |
22 |
Correct |
2614 ms |
142868 KB |
Output is correct |
23 |
Correct |
2481 ms |
134652 KB |
Output is correct |
24 |
Correct |
254 ms |
77788 KB |
Output is correct |
25 |
Correct |
212 ms |
75396 KB |
Output is correct |
26 |
Correct |
230 ms |
76024 KB |
Output is correct |
27 |
Correct |
239 ms |
76448 KB |
Output is correct |
28 |
Correct |
244 ms |
76648 KB |
Output is correct |
29 |
Correct |
167 ms |
73672 KB |
Output is correct |
30 |
Correct |
175 ms |
73592 KB |
Output is correct |
31 |
Correct |
217 ms |
76508 KB |
Output is correct |
32 |
Correct |
124 ms |
72816 KB |
Output is correct |
33 |
Correct |
215 ms |
76400 KB |
Output is correct |
34 |
Correct |
503 ms |
84648 KB |
Output is correct |
35 |
Correct |
501 ms |
84632 KB |
Output is correct |
36 |
Correct |
386 ms |
79524 KB |
Output is correct |
37 |
Correct |
381 ms |
79480 KB |
Output is correct |
38 |
Correct |
402 ms |
79392 KB |
Output is correct |
39 |
Correct |
343 ms |
77048 KB |
Output is correct |
40 |
Correct |
349 ms |
83192 KB |
Output is correct |
41 |
Correct |
432 ms |
85532 KB |
Output is correct |
42 |
Correct |
422 ms |
85640 KB |
Output is correct |
43 |
Correct |
437 ms |
86392 KB |
Output is correct |
44 |
Correct |
494 ms |
89088 KB |
Output is correct |
45 |
Correct |
478 ms |
89336 KB |
Output is correct |
46 |
Correct |
474 ms |
89008 KB |
Output is correct |
47 |
Correct |
495 ms |
88864 KB |
Output is correct |
48 |
Correct |
478 ms |
88952 KB |
Output is correct |
49 |
Correct |
299 ms |
82300 KB |
Output is correct |
50 |
Correct |
303 ms |
82488 KB |
Output is correct |
51 |
Correct |
298 ms |
82372 KB |
Output is correct |
52 |
Correct |
298 ms |
82308 KB |
Output is correct |
53 |
Correct |
304 ms |
82424 KB |
Output is correct |
54 |
Correct |
418 ms |
87404 KB |
Output is correct |
55 |
Correct |
335 ms |
84836 KB |
Output is correct |
56 |
Correct |
396 ms |
86588 KB |
Output is correct |
57 |
Correct |
2618 ms |
171212 KB |
Output is correct |
58 |
Correct |
2638 ms |
171128 KB |
Output is correct |
59 |
Correct |
2464 ms |
158840 KB |
Output is correct |
60 |
Correct |
2486 ms |
158712 KB |
Output is correct |
61 |
Correct |
2460 ms |
158588 KB |
Output is correct |
62 |
Correct |
2453 ms |
158796 KB |
Output is correct |
63 |
Correct |
1565 ms |
130296 KB |
Output is correct |
64 |
Correct |
1568 ms |
130388 KB |
Output is correct |
65 |
Correct |
2295 ms |
149112 KB |
Output is correct |
66 |
Correct |
2272 ms |
148984 KB |
Output is correct |
67 |
Correct |
2296 ms |
149812 KB |
Output is correct |
68 |
Correct |
2445 ms |
163032 KB |
Output is correct |
69 |
Correct |
2456 ms |
163084 KB |
Output is correct |
70 |
Correct |
2421 ms |
160672 KB |
Output is correct |
71 |
Correct |
2429 ms |
160760 KB |
Output is correct |
72 |
Correct |
2476 ms |
160840 KB |
Output is correct |
73 |
Correct |
1345 ms |
127412 KB |
Output is correct |
74 |
Correct |
1336 ms |
128460 KB |
Output is correct |
75 |
Correct |
1347 ms |
127280 KB |
Output is correct |
76 |
Correct |
1321 ms |
127480 KB |
Output is correct |
77 |
Correct |
1326 ms |
127264 KB |
Output is correct |
78 |
Correct |
2087 ms |
154284 KB |
Output is correct |
79 |
Correct |
1528 ms |
137816 KB |
Output is correct |
80 |
Correct |
1918 ms |
150428 KB |
Output is correct |