#include <bits/stdc++.h>
#define all(v) ((v).begin(),(v).end())
#define ll long long
#define F first
#define S second
const ll mod = 1e9 + 7;
const ll mxN = 1e5 + 2;
using namespace std;
static const int N_MAX = 5000;
static const int Q_MAX = 10000;
static int N;
static int A[N_MAX];
static bool used[N_MAX];
static int query_c;
static int answer_c;
int query(int s, int t);
// if(query_c >= Q_MAX) {
// printf("Wrong Answer\n");
// exit(0);
// }
// query_c++;
// if(!(1 <= s && s <= t && t <= N)) {
// printf("Wrong Answer\n");
// exit(0);
// }
// int mx = 0, mn = N + 1;
// for(int i = s - 1; i < t; i++) {
// if(mx < A[i]) {
// mx = A[i];
// }
// if(mn > A[i]) {
// mn = A[i];
// }
// }
// return mx - mn;
// }
void answer(int i, int a);
// answer_c++;
// if(!(1 <= i && i <= N)) {
// printf("Wrong Answer\n");
// exit(0);
// }
// if(!(1 <= a && a <= N)) {
// printf("Wrong Answer\n");
// exit(0);
// }
// if(used[i - 1]) {
// printf("Wrong Answer\n");
// exit(0);
// }
// if(a != A[i - 1]) {
// printf("Wrong Answer\n");
// exit(0);
// }
// used[i - 1] = true;
// }
int ans[N_MAX];
int id[N_MAX];
void ass(int x,int i){
answer(i,x);
ans[i] = x;
id[x] = i;
}
void solve(int N) {
int i = 1,j = N;
while(i != j){
if(id[1] && id[N] ) break;
if(!id[1] && query(i + 1,j) != N - 1) ass(1,i);
else if(!id[1])i++;
if(!id[N] && query(i,j - 1) != N - 1) ass(N,j);
else if(!id[N])j--;
// cout<<id[N]<<' '<<id[1]<<' '<<i<<' '<<j<<'\n';
}
int prev = -1;
for(int i = id[N] + 1;i <= N;i++){
int x = N - query(id[N],i);
if(x != prev) {
ass(x,i);
prev = x;
}
}
for(int i = id[N] + 1;i <= N;i++){
if(!ans[i]){
int x = ans[i - 1] + query(i - 1,i);
ass(x,i);
}
}
prev = -1;
for(int i = id[1] - 1;i;i--){
int x = 1 + query(i,id[1]);
if(x != prev){
ass(x,i);
prev = x;
}
}
for(int i = id[1] - 1;i;i--){
if(!ans[i]){
int x = ans[i + 1] - query(i, i + 1);
ass(x, i);
}
}
prev = -1;
for(int i = id[N] - 1;i > id[1];i--){
int x = N - query(i,id[N]);
if(x != prev){
ass(x,i);
prev = x;
}
}
for(int i = id[N] - 1;i > id[1];i--){
if(!ans[i]){
int x = ans[i + 1] + query(i, i + 1);
ass(x, i);
}
}
// for(int i = 1;i <= N;i++) cout<<ans[i]<<' ';
// cout<<'\n';
}
// int main() {
// query_c = 0;
// answer_c = 0;
// if(scanf("%d", &N) != 1) {
// fprintf(stderr, "Error while reading input\n");
// exit(1);
// }
// for(int i = 0; i < N; i++) {
// if(scanf("%d", A + i) != 1) {
// fprintf(stderr, "Error while reading input\n");
// exit(1);
// }
// used[i] = false;
// }
// solve(N);
// if(!(answer_c == N)) {
// printf("Wrong Answer\n");
// exit(0);
// }
// printf("Accepted : %d\n", query_c);
// }
Compilation message
xylophone.cpp:15:12: warning: 'answer_c' defined but not used [-Wunused-variable]
15 | static int answer_c;
| ^~~~~~~~
xylophone.cpp:14:12: warning: 'query_c' defined but not used [-Wunused-variable]
14 | static int query_c;
| ^~~~~~~
xylophone.cpp:13:13: warning: 'used' defined but not used [-Wunused-variable]
13 | static bool used[N_MAX];
| ^~~~
xylophone.cpp:12:12: warning: 'A' defined but not used [-Wunused-variable]
12 | static int A[N_MAX];
| ^
xylophone.cpp:11:12: warning: 'N' defined but not used [-Wunused-variable]
11 | static int N;
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
444 KB |
Output is correct |
| 2 |
Correct |
0 ms |
440 KB |
Output is correct |
| 3 |
Incorrect |
0 ms |
440 KB |
Wrong Answer [4] |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
444 KB |
Output is correct |
| 2 |
Correct |
0 ms |
440 KB |
Output is correct |
| 3 |
Incorrect |
0 ms |
440 KB |
Wrong Answer [4] |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
444 KB |
Output is correct |
| 2 |
Correct |
0 ms |
440 KB |
Output is correct |
| 3 |
Incorrect |
0 ms |
440 KB |
Wrong Answer [4] |
| 4 |
Halted |
0 ms |
0 KB |
- |
