// In the name of god
#include "xylophone.h"
#include <bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define debug(x) cerr << #x << " : " << x << '\n'
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll, ll> pll;
const ll maxn = 5e3 + 5;
ll b1[maxn], b2[maxn], d1[maxn], d2[maxn];
bool flag1[maxn], flag2[maxn];
void build_b1(int n){
flag1[1] = 1;
for(ll i = 1; i < n; i ++){
if(flag1[i])b1[i + 1] = b1[i] + d1[i];
else b1[i + 1] = b1[i] - d1[i];
if(i < n - 1){
if(d2[i] == d1[i] + d1[i + 1])flag1[i + 1] = flag1[i];
else flag1[i + 1] = !flag1[i];
}
}
ll mn = (n * 10);
for(ll i = 1; i <= n; i ++)mn = min(mn, b1[i]);
for(ll i = 1; i <= n; i ++)b1[i] += (1 - mn);
}
void build_b2(int n){
flag2[1] = 0;
for(ll i = 1; i < n; i ++){
if(flag2[i])b2[i + 1] = b2[i] + d1[i];
else b2[i + 1] = b2[i] - d1[i];
if(i < n - 1){
if(d2[i] == d1[i] + d1[i + 1])flag2[i + 1] = flag2[i];
else flag2[i + 1] = !flag2[i];
}
}
ll mn = (n * 10);
for(ll i = 1; i <= n; i ++)mn = min(mn, b2[i]);
for(ll i = 1; i <= n; i ++)b2[i] += (1 - mn);
}
void solve(int n){
for(ll i = 1; i < n; i ++)d1[i] = query(i, i + 1);
for(ll i = 1; i < n - 1; i ++)d2[i] = query(i, i + 2);
build_b1(n); build_b2(n);
ll p1, pn;
for(ll i = 1; i <= n; i ++){
if(b1[i] == 1)p1 = i;
if(b1[i] == n)pn = i;
}
if(p1 > pn)
for(ll i = 1; i <= n; i ++)answer(i, b2[i]);
else
for(ll i = 1; i <= n; i ++)answer(i, b1[i]);
}
Compilation message
xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:56:2: warning: 'pn' may be used uninitialized in this function [-Wmaybe-uninitialized]
56 | if(p1 > pn)
| ^~
xylophone.cpp:56:2: warning: 'p1' may be used uninitialized in this function [-Wmaybe-uninitialized]
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
200 KB |
Output is correct |
| 2 |
Correct |
0 ms |
200 KB |
Output is correct |
| 3 |
Correct |
1 ms |
312 KB |
Output is correct |
| 4 |
Correct |
3 ms |
308 KB |
Output is correct |
| 5 |
Correct |
3 ms |
308 KB |
Output is correct |
| 6 |
Correct |
2 ms |
200 KB |
Output is correct |
| 7 |
Correct |
3 ms |
200 KB |
Output is correct |
| 8 |
Correct |
3 ms |
200 KB |
Output is correct |
| 9 |
Correct |
3 ms |
200 KB |
Output is correct |
| 10 |
Correct |
2 ms |
200 KB |
Output is correct |
| 11 |
Correct |
1 ms |
200 KB |
Output is correct |
| 12 |
Correct |
3 ms |
200 KB |
Output is correct |
| 13 |
Correct |
1 ms |
308 KB |
Output is correct |
| 14 |
Correct |
4 ms |
200 KB |
Output is correct |
| 15 |
Correct |
3 ms |
200 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
200 KB |
Output is correct |
| 2 |
Correct |
0 ms |
200 KB |
Output is correct |
| 3 |
Correct |
1 ms |
312 KB |
Output is correct |
| 4 |
Correct |
3 ms |
308 KB |
Output is correct |
| 5 |
Correct |
3 ms |
308 KB |
Output is correct |
| 6 |
Correct |
2 ms |
200 KB |
Output is correct |
| 7 |
Correct |
3 ms |
200 KB |
Output is correct |
| 8 |
Correct |
3 ms |
200 KB |
Output is correct |
| 9 |
Correct |
3 ms |
200 KB |
Output is correct |
| 10 |
Correct |
2 ms |
200 KB |
Output is correct |
| 11 |
Correct |
1 ms |
200 KB |
Output is correct |
| 12 |
Correct |
3 ms |
200 KB |
Output is correct |
| 13 |
Correct |
1 ms |
308 KB |
Output is correct |
| 14 |
Correct |
4 ms |
200 KB |
Output is correct |
| 15 |
Correct |
3 ms |
200 KB |
Output is correct |
| 16 |
Correct |
6 ms |
312 KB |
Output is correct |
| 17 |
Correct |
12 ms |
328 KB |
Output is correct |
| 18 |
Correct |
16 ms |
320 KB |
Output is correct |
| 19 |
Correct |
22 ms |
312 KB |
Output is correct |
| 20 |
Correct |
26 ms |
304 KB |
Output is correct |
| 21 |
Correct |
17 ms |
316 KB |
Output is correct |
| 22 |
Correct |
23 ms |
320 KB |
Output is correct |
| 23 |
Correct |
20 ms |
304 KB |
Output is correct |
| 24 |
Correct |
20 ms |
316 KB |
Output is correct |
| 25 |
Correct |
23 ms |
308 KB |
Output is correct |
| 26 |
Correct |
24 ms |
320 KB |
Output is correct |
| 27 |
Correct |
18 ms |
316 KB |
Output is correct |
| 28 |
Correct |
25 ms |
308 KB |
Output is correct |
| 29 |
Correct |
28 ms |
312 KB |
Output is correct |
| 30 |
Correct |
18 ms |
320 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
200 KB |
Output is correct |
| 2 |
Correct |
0 ms |
200 KB |
Output is correct |
| 3 |
Correct |
1 ms |
312 KB |
Output is correct |
| 4 |
Correct |
3 ms |
308 KB |
Output is correct |
| 5 |
Correct |
3 ms |
308 KB |
Output is correct |
| 6 |
Correct |
2 ms |
200 KB |
Output is correct |
| 7 |
Correct |
3 ms |
200 KB |
Output is correct |
| 8 |
Correct |
3 ms |
200 KB |
Output is correct |
| 9 |
Correct |
3 ms |
200 KB |
Output is correct |
| 10 |
Correct |
2 ms |
200 KB |
Output is correct |
| 11 |
Correct |
1 ms |
200 KB |
Output is correct |
| 12 |
Correct |
3 ms |
200 KB |
Output is correct |
| 13 |
Correct |
1 ms |
308 KB |
Output is correct |
| 14 |
Correct |
4 ms |
200 KB |
Output is correct |
| 15 |
Correct |
3 ms |
200 KB |
Output is correct |
| 16 |
Correct |
6 ms |
312 KB |
Output is correct |
| 17 |
Correct |
12 ms |
328 KB |
Output is correct |
| 18 |
Correct |
16 ms |
320 KB |
Output is correct |
| 19 |
Correct |
22 ms |
312 KB |
Output is correct |
| 20 |
Correct |
26 ms |
304 KB |
Output is correct |
| 21 |
Correct |
17 ms |
316 KB |
Output is correct |
| 22 |
Correct |
23 ms |
320 KB |
Output is correct |
| 23 |
Correct |
20 ms |
304 KB |
Output is correct |
| 24 |
Correct |
20 ms |
316 KB |
Output is correct |
| 25 |
Correct |
23 ms |
308 KB |
Output is correct |
| 26 |
Correct |
24 ms |
320 KB |
Output is correct |
| 27 |
Correct |
18 ms |
316 KB |
Output is correct |
| 28 |
Correct |
25 ms |
308 KB |
Output is correct |
| 29 |
Correct |
28 ms |
312 KB |
Output is correct |
| 30 |
Correct |
18 ms |
320 KB |
Output is correct |
| 31 |
Correct |
53 ms |
320 KB |
Output is correct |
| 32 |
Correct |
74 ms |
320 KB |
Output is correct |
| 33 |
Correct |
110 ms |
352 KB |
Output is correct |
| 34 |
Correct |
124 ms |
456 KB |
Output is correct |
| 35 |
Correct |
120 ms |
436 KB |
Output is correct |
| 36 |
Correct |
118 ms |
428 KB |
Output is correct |
| 37 |
Correct |
122 ms |
368 KB |
Output is correct |
| 38 |
Correct |
89 ms |
428 KB |
Output is correct |
| 39 |
Correct |
88 ms |
428 KB |
Output is correct |
| 40 |
Correct |
99 ms |
576 KB |
Output is correct |
| 41 |
Correct |
79 ms |
452 KB |
Output is correct |
| 42 |
Correct |
126 ms |
452 KB |
Output is correct |
| 43 |
Correct |
115 ms |
448 KB |
Output is correct |
| 44 |
Correct |
80 ms |
432 KB |
Output is correct |
| 45 |
Correct |
127 ms |
448 KB |
Output is correct |
| 46 |
Correct |
127 ms |
440 KB |
Output is correct |
| 47 |
Correct |
121 ms |
576 KB |
Output is correct |
| 48 |
Correct |
99 ms |
352 KB |
Output is correct |
| 49 |
Correct |
102 ms |
556 KB |
Output is correct |
| 50 |
Correct |
91 ms |
428 KB |
Output is correct |
| 51 |
Correct |
120 ms |
468 KB |
Output is correct |
| 52 |
Correct |
116 ms |
476 KB |
Output is correct |
| 53 |
Correct |
112 ms |
468 KB |
Output is correct |
| 54 |
Correct |
89 ms |
448 KB |
Output is correct |
| 55 |
Correct |
112 ms |
456 KB |
Output is correct |
| 56 |
Correct |
96 ms |
448 KB |
Output is correct |
| 57 |
Correct |
109 ms |
448 KB |
Output is correct |
| 58 |
Correct |
97 ms |
352 KB |
Output is correct |
| 59 |
Correct |
104 ms |
424 KB |
Output is correct |
| 60 |
Correct |
127 ms |
428 KB |
Output is correct |
