#include<bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;
int n, q, w[1000005], sparse1[1000005][20], sparse2[1000005][20], sparse3[1000005][20];
int mx1(int l, int r){
int k = log2(r - l + 1);
return max(sparse1[l][k], sparse1[r - (1 << k) + 1][k]);
}
int mx2(int l, int r){
int k = log2(r - l + 1);
return max(sparse2[l][k], sparse2[r - (1 << k) + 1][k]);
}
int mn(int l, int r){
int k = log2(r - l + 1);
return min(sparse3[l][k], sparse3[r - (1 << k) + 1][k]);
}
signed main(){
ios_base::sync_with_stdio(0);
cin >> n >> q;
for(int i = 1; i <= n; i++){
cin >> w[i];
sparse1[i][0] = sparse3[i][0] = w[i];
//cout << w[i] << "\n";
}
for(int i = 1; i <= 20; i++){
for(int j = 1; j <= (n - (1 << i) + 1); j++){
sparse1[j][i] = max(sparse1[j][i - 1], sparse1[j + (1 << (i - 1))][i - 1]);
//cout << i << " " << j << " " << sparse1[j][i] << "\n";
}
}
for(int i = 1; i <= 20; i++){
for(int j = 1; j <= (n - (1 << i) + 1); j++) sparse3[j][i] = min(sparse3[j][i - 1], sparse3[j + (1 << (i - 1))][i - 1]);
}
for(int i = 1; i <= n; i++){
int l = 1, r = i;
while(l < (r - 1)){
int mid = (l + r) >> 1;
if(mx1(mid, i) == w[i]) r = mid;
else l = mid;
}
while(mx1(l, i) > w[i]) l++;
sparse2[i][0] = l;
}
for(int i = 1; i <= 20; i++){
for(int j = 1; j <= (n - (1 << i) + 1); j++) sparse2[j][i] = max(sparse2[j][i - 1], sparse2[j + (1 << (i - 1))][i - 1]);\
}
while(q--){
int l, r, k;
cin >> l >> r >> k;
int l1 = l, r1 = r;
while(l1 < (r1 - 1)){
int mid = (l1 + r1) >> 1;
if(mx2(mid, r) > l) l1 = mid;
else r1 = mid;
}
while(l1 <= r && mx2(l1, r) > l) l1++;
l1--;
if(l1 == l){
cout << 1 << "\n";
continue;
}
//cout << mx1(l, l1) << " " << mn(l, l1) << "\n";
cout << (k >= (mx1(l, l1) + mn(l, l1))) << "\n";
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Runtime error |
15 ms |
512 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Runtime error |
15 ms |
512 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1713 ms |
262144 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
183 ms |
49912 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Runtime error |
15 ms |
512 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Runtime error |
15 ms |
512 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
3 |
Halted |
0 ms |
0 KB |
- |