#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
typedef long double LD;
typedef pair<int, int> PII;
typedef pair<LL, LL> PLL;
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
template<typename _T> inline void _DBG(const char *s, _T x) { cerr << s << " = " << x << "\n"; }
template<typename _T, typename... args> void _DBG(const char *s, _T x, args... a) { while(*s != ',') cerr << *s++; cerr << " = " << x << ','; _DBG(s + 1, a...); }
#ifdef LOCAL
#define _upgrade ios_base::sync_with_stdio(0);
#define DBG(...) _DBG(#__VA_ARGS__, __VA_ARGS__)
#else
#define _upgrade ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define DBG(...) (__VA_ARGS__)
#define cerr if(0) cout
#endif
// ********************** CODE ********************** //
const int N = 5e5 + 7;
int n;
pair<int, int> A[N];
bool ans[N];
bool check(int m)
{
LL cur = A[m].first;
for (int i = 0; i < n; i++)
{
if (i == m)
continue;
if (cur <= A[i].first)
return false;
cur += A[i].first;
}
return true;
}
int main()
{
_upgrade
cin >> n;
for (int i = 0; i < n; i++)
{
cin >> A[i].first;
A[i].second = i;
}
sort(A, A + n);
int l = 0, r = n;
while (l + 1 < r)
{
int m = (l + r) / 2;
if (check(m))
r = m;
else
l = m;
}
for (int i = r; i < n; i++)
ans[A[i].second] = true;
for (int i = 0; i < n; i++)
cout << (ans[i] ? "T" : "N");
cout << "\n";
return 0;
}
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 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | #include <bits/stdc++.h> using namespace std; typedef long long LL; typedef long double LD; typedef pair<int, int> PII; typedef pair<LL, LL> PLL; #define all(x) (x).begin(), (x).end() #define sz(x) (int)(x).size() template<typename _T> inline void _DBG(const char *s, _T x) { cerr << s << " = " << x << "\n"; } template<typename _T, typename... args> void _DBG(const char *s, _T x, args... a) { while(*s != ',') cerr << *s++; cerr << " = " << x << ','; _DBG(s + 1, a...); } #ifdef LOCAL #define _upgrade ios_base::sync_with_stdio(0); #define DBG(...) _DBG(#__VA_ARGS__, __VA_ARGS__) #else #define _upgrade ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define DBG(...) (__VA_ARGS__) #define cerr if(0) cout #endif // ********************** CODE ********************** // const int N = 5e5 + 7; int n; pair<int, int> A[N]; bool ans[N]; bool check(int m) { LL cur = A[m].first; for (int i = 0; i < n; i++) { if (i == m) continue; if (cur <= A[i].first) return false; cur += A[i].first; } return true; } int main() { _upgrade cin >> n; for (int i = 0; i < n; i++) { cin >> A[i].first; A[i].second = i; } sort(A, A + n); int l = 0, r = n; while (l + 1 < r) { int m = (l + r) / 2; if (check(m)) r = m; else l = m; } for (int i = r; i < n; i++) ans[A[i].second] = true; for (int i = 0; i < n; i++) cout << (ans[i] ? "T" : "N"); cout << "\n"; return 0; } |
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