#include <bits/stdc++.h>
#define MAX_N 1000000
#define MAX_LOG_N 17
#define int long long
using namespace std;
int w[MAX_N];
int lower( int l, int r, int x ) {
int mid;
r++;
while ( r - l > 1 ) {
mid = (l + r) / 2;
if ( w[mid] < x )
l = mid;
else
r = mid;
}
return w[l] < x ? w[l] : -x;
}
struct AINT {
struct nod {
int maxEffort, maxW;
};
nod ans;
nod aint[4 * MAX_N];
void init( int nod, int l, int r ) {
int mid;
if ( l == r ) {
aint[nod].maxEffort = 0;
aint[nod].maxW = w[l];
return;
}
mid = (l + r) / 2;
init( nod * 2 + 1, l, mid );
init( nod * 2 + 2, mid + 1, r );
aint[nod].maxW = max( aint[nod * 2 + 1].maxW, aint[nod * 2 + 2].maxW );
aint[nod].maxEffort = max( max( aint[nod * 2 + 1].maxEffort, aint[nod * 2 + 2].maxEffort ), aint[nod * 2 + 1].maxW + lower( mid + 1, r, aint[nod * 2 + 1].maxW ) );
// printf( "%d %d %d %d\n", l, r, aint[nod].maxW, aint[nod].maxEffort );
}
void query( int nod, int l, int r, int lq, int rq ) {
int mid;
if ( nod == 0 )
ans = { 0, 0 };
if ( l > rq || r < lq )
return;
if ( lq <= l && r <= rq ) {
ans.maxEffort = max( max( ans.maxEffort, aint[nod].maxEffort ), ans.maxW + lower( l, r, ans.maxW ) );
ans.maxW = max( ans.maxW, aint[nod].maxW );
return;
}
mid = (l + r) / 2;
query( nod * 2 + 1, l, mid, lq, rq );
query( nod * 2 + 2, mid + 1, r, lq, rq );
}
};
AINT shelf;
signed main() {
int n, m, l, r, k, i;
cin >> n >> m;
for ( i = 0; i < n; i++ )
cin >> w[i];
shelf.init( 0, 0, n - 1 );
for ( i = 0; i < m; i++ ) {
cin >> l >> r >> k;
shelf.query( 0, 0, n - 1, l - 1, r - 1 );
if ( shelf.ans.maxEffort > k )
cout << "0\n";
else
cout << "1\n";
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
300 KB |
Output is correct |
3 |
Incorrect |
1 ms |
308 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
300 KB |
Output is correct |
3 |
Incorrect |
1 ms |
308 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
3101 ms |
42168 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
317 ms |
5612 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
300 KB |
Output is correct |
3 |
Incorrect |
1 ms |
308 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
300 KB |
Output is correct |
3 |
Incorrect |
1 ms |
308 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |