//Dost SEFEROĞLU
#include <bits/stdc++.h>
using namespace std;
//#define int long long
#define pii pair<int,int>
#define ff first
#define ss second
#define sp << " " <<
#define all(cont) cont.begin(),cont.end()
#define vi vector<int>
const int MOD = 1e9+7,inf = 2e7;
const int N = 5001;
struct Query {
int l=0,r=0,k=0,id=0;
};
struct FT
{
int n;
vi bit;
FT(int nn) {
n = nn;
bit.assign(n+1,0);
}
void put(int p,int v) {
p = n-p+1;
for(int i=p;i<=n;i+=i&-i) bit[i]+=v;
}
int get(int p) {
p = n-p+1;
int ans = 0;
for (int i=p;i;i-=i&-i) ans+=bit[i];
return ans;
}
};
void solve() {
int n,q;
cin >> n >> q;
vi a(n+1);
for (int i=1;i<=n;i++) cin >> a[i];
vector<Query> queries(q+1);
for (int i=1;i<=q;i++) {
Query& Q = queries[i];
cin >> Q.l >> Q.r >> Q.k;
Q.id = i;
}
vector<Query> rq[n+1];
for (int i=1;i<=q;i++) {
rq[queries[i].r].push_back(queries[i]);
}
vi ans(q+1);
a[0] = inf;
FT ft(n+1);
vi st{0};
for (int i=1;i<=n;i++) {
while (a[st.back()] <= a[i]) st.pop_back();
for (auto Q : rq[i]){
ans[Q.id] = (ft.get(Q.l) <= Q.k);
}
ft.put(st.back(),a[i]+a[st.back()]);
st.push_back(i);
}
for (int i=1;i<=q;i++) cout << ans[i] << '\n';
}
signed main() {
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#ifdef Dodi
freopen("in.txt","r",stdin);
freopen("out.txt","w",stdout);
#endif
int t = 1;
//cin >> t;
while (t --> 0) solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 11 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 11 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
425 ms |
156656 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
40 ms |
8052 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 11 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 11 |
4 |
Halted |
0 ms |
0 KB |
- |