#include "xylophone.h"
#include <bits/stdc++.h>
using namespace std;
static int A[5000];
void solve(int N) {
vector<int> s(N+1),t(N+1),u(N+1);
for(int i=1;i<N;i++){
t[i]=query(i,i+1);
}
for(int i=1;i<N-1;i++){
int k=query(i,i+2);
if(abs(t[i]+t[i+1])==abs(k)){
s[i+1]=0;
}else{
s[i+1]=1;
}
}
int b=0;
auto check=[&]{
int mi=0;
u[1]=0;
for(int i=2;i<=N;i++){
if(b==0){
u[i]=u[i-1]+t[i-1];
}else{
u[i]=u[i-1]-t[i-1];
}
mi=min(mi,u[i]);
if(s[i]==1){
b^=1;
}
}
bool f=false;
for(int i=1;i<=N;i++){
u[i]+=(1-mi);
if(u[i]==N){
f=true;
}
if(u[i]==1){
if(f){
return false;
}
}
}
for(int i=1;i<=N;i++){
answer(i,u[i]);
}
return true;
};
if(check()){
return;
}
b=1;
check();
}
Compilation message
xylophone.cpp:4:12: warning: 'A' defined but not used [-Wunused-variable]
static int A[5000];
^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
252 KB |
Output is correct |
2 |
Correct |
5 ms |
248 KB |
Output is correct |
3 |
Correct |
6 ms |
248 KB |
Output is correct |
4 |
Correct |
7 ms |
376 KB |
Output is correct |
5 |
Correct |
7 ms |
252 KB |
Output is correct |
6 |
Correct |
7 ms |
248 KB |
Output is correct |
7 |
Correct |
7 ms |
248 KB |
Output is correct |
8 |
Correct |
6 ms |
376 KB |
Output is correct |
9 |
Correct |
7 ms |
248 KB |
Output is correct |
10 |
Correct |
7 ms |
248 KB |
Output is correct |
11 |
Correct |
8 ms |
376 KB |
Output is correct |
12 |
Correct |
6 ms |
248 KB |
Output is correct |
13 |
Correct |
6 ms |
252 KB |
Output is correct |
14 |
Correct |
7 ms |
248 KB |
Output is correct |
15 |
Correct |
11 ms |
248 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
252 KB |
Output is correct |
2 |
Correct |
5 ms |
248 KB |
Output is correct |
3 |
Correct |
6 ms |
248 KB |
Output is correct |
4 |
Correct |
7 ms |
376 KB |
Output is correct |
5 |
Correct |
7 ms |
252 KB |
Output is correct |
6 |
Correct |
7 ms |
248 KB |
Output is correct |
7 |
Correct |
7 ms |
248 KB |
Output is correct |
8 |
Correct |
6 ms |
376 KB |
Output is correct |
9 |
Correct |
7 ms |
248 KB |
Output is correct |
10 |
Correct |
7 ms |
248 KB |
Output is correct |
11 |
Correct |
8 ms |
376 KB |
Output is correct |
12 |
Correct |
6 ms |
248 KB |
Output is correct |
13 |
Correct |
6 ms |
252 KB |
Output is correct |
14 |
Correct |
7 ms |
248 KB |
Output is correct |
15 |
Correct |
11 ms |
248 KB |
Output is correct |
16 |
Correct |
9 ms |
248 KB |
Output is correct |
17 |
Correct |
14 ms |
376 KB |
Output is correct |
18 |
Correct |
20 ms |
504 KB |
Output is correct |
19 |
Correct |
25 ms |
376 KB |
Output is correct |
20 |
Correct |
23 ms |
376 KB |
Output is correct |
21 |
Correct |
24 ms |
376 KB |
Output is correct |
22 |
Correct |
22 ms |
328 KB |
Output is correct |
23 |
Correct |
24 ms |
376 KB |
Output is correct |
24 |
Correct |
27 ms |
248 KB |
Output is correct |
25 |
Correct |
15 ms |
332 KB |
Output is correct |
26 |
Correct |
22 ms |
248 KB |
Output is correct |
27 |
Correct |
20 ms |
248 KB |
Output is correct |
28 |
Correct |
25 ms |
248 KB |
Output is correct |
29 |
Correct |
16 ms |
332 KB |
Output is correct |
30 |
Correct |
23 ms |
504 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
252 KB |
Output is correct |
2 |
Correct |
5 ms |
248 KB |
Output is correct |
3 |
Correct |
6 ms |
248 KB |
Output is correct |
4 |
Correct |
7 ms |
376 KB |
Output is correct |
5 |
Correct |
7 ms |
252 KB |
Output is correct |
6 |
Correct |
7 ms |
248 KB |
Output is correct |
7 |
Correct |
7 ms |
248 KB |
Output is correct |
8 |
Correct |
6 ms |
376 KB |
Output is correct |
9 |
Correct |
7 ms |
248 KB |
Output is correct |
10 |
Correct |
7 ms |
248 KB |
Output is correct |
11 |
Correct |
8 ms |
376 KB |
Output is correct |
12 |
Correct |
6 ms |
248 KB |
Output is correct |
13 |
Correct |
6 ms |
252 KB |
Output is correct |
14 |
Correct |
7 ms |
248 KB |
Output is correct |
15 |
Correct |
11 ms |
248 KB |
Output is correct |
16 |
Correct |
9 ms |
248 KB |
Output is correct |
17 |
Correct |
14 ms |
376 KB |
Output is correct |
18 |
Correct |
20 ms |
504 KB |
Output is correct |
19 |
Correct |
25 ms |
376 KB |
Output is correct |
20 |
Correct |
23 ms |
376 KB |
Output is correct |
21 |
Correct |
24 ms |
376 KB |
Output is correct |
22 |
Correct |
22 ms |
328 KB |
Output is correct |
23 |
Correct |
24 ms |
376 KB |
Output is correct |
24 |
Correct |
27 ms |
248 KB |
Output is correct |
25 |
Correct |
15 ms |
332 KB |
Output is correct |
26 |
Correct |
22 ms |
248 KB |
Output is correct |
27 |
Correct |
20 ms |
248 KB |
Output is correct |
28 |
Correct |
25 ms |
248 KB |
Output is correct |
29 |
Correct |
16 ms |
332 KB |
Output is correct |
30 |
Correct |
23 ms |
504 KB |
Output is correct |
31 |
Correct |
47 ms |
376 KB |
Output is correct |
32 |
Correct |
57 ms |
356 KB |
Output is correct |
33 |
Correct |
65 ms |
376 KB |
Output is correct |
34 |
Correct |
100 ms |
504 KB |
Output is correct |
35 |
Correct |
92 ms |
376 KB |
Output is correct |
36 |
Correct |
73 ms |
376 KB |
Output is correct |
37 |
Correct |
71 ms |
376 KB |
Output is correct |
38 |
Correct |
91 ms |
376 KB |
Output is correct |
39 |
Correct |
91 ms |
376 KB |
Output is correct |
40 |
Correct |
92 ms |
504 KB |
Output is correct |
41 |
Correct |
95 ms |
376 KB |
Output is correct |
42 |
Correct |
87 ms |
504 KB |
Output is correct |
43 |
Correct |
89 ms |
376 KB |
Output is correct |
44 |
Correct |
85 ms |
376 KB |
Output is correct |
45 |
Correct |
101 ms |
376 KB |
Output is correct |
46 |
Correct |
104 ms |
376 KB |
Output is correct |
47 |
Correct |
81 ms |
376 KB |
Output is correct |
48 |
Correct |
88 ms |
376 KB |
Output is correct |
49 |
Correct |
94 ms |
376 KB |
Output is correct |
50 |
Correct |
82 ms |
504 KB |
Output is correct |
51 |
Correct |
87 ms |
424 KB |
Output is correct |
52 |
Correct |
89 ms |
376 KB |
Output is correct |
53 |
Correct |
90 ms |
388 KB |
Output is correct |
54 |
Correct |
89 ms |
376 KB |
Output is correct |
55 |
Correct |
89 ms |
376 KB |
Output is correct |
56 |
Correct |
100 ms |
504 KB |
Output is correct |
57 |
Correct |
92 ms |
456 KB |
Output is correct |
58 |
Correct |
65 ms |
376 KB |
Output is correct |
59 |
Correct |
96 ms |
380 KB |
Output is correct |
60 |
Correct |
55 ms |
380 KB |
Output is correct |