#include<bits/stdc++.h> using namespace std; using ll = long long; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin>>n; vector<int> a(n); for(auto& i: a) cin>>i; vector<int> b = a; sort(b.begin(), b.end()); int lo = 1, hi = n-1, ans = n; while(lo <= hi) { int mid = (lo + hi)/2; ll sum = b[mid]; bool failed = 0; for(int i=0; i<mid; ++i) { if(sum > (ll)b[i]) { sum += (ll)b[i]; } else { failed = 1; } } for(int i=mid+1; i<n; ++i) { if(sum > (ll)b[i]) { sum += (ll)b[i]; } else { failed = 1; } } if(failed) { lo = mid + 1; } else { ans = mid; hi = mid - 1; } } for(int i=0; i<n; ++i) { if(ans < n && a[i] >= b[ans]) { cout<<"T"; } else { cout<<"N"; } } cout<<'\n'; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | #include<bits/stdc++.h> using namespace std; using ll = long long; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin>>n; vector<int> a(n); for(auto& i: a) cin>>i; vector<int> b = a; sort(b.begin(), b.end()); int lo = 1, hi = n-1, ans = n; while(lo <= hi) { int mid = (lo + hi)/2; ll sum = b[mid]; bool failed = 0; for(int i=0; i<mid; ++i) { if(sum > (ll)b[i]) { sum += (ll)b[i]; } else { failed = 1; } } for(int i=mid+1; i<n; ++i) { if(sum > (ll)b[i]) { sum += (ll)b[i]; } else { failed = 1; } } if(failed) { lo = mid + 1; } else { ans = mid; hi = mid - 1; } } for(int i=0; i<n; ++i) { if(ans < n && a[i] >= b[ans]) { cout<<"T"; } else { cout<<"N"; } } cout<<'\n'; } |