#define pb push_back #define mp make_pair #define fi first #define se second #define all(...) begin(__VA_ARGS__) , end(__VA_ARGS__) #define boost {ios_base::sync_with_stdio(false); cin.tie(); cout.tie();} #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef vector <int> vi; typedef pair<int,int> PII; typedef pair<ll,ll> PLL; constexpr ll nax = 5e5+6969, INF = 2e9+6969; int n; vector <PLL> v; vector <ll> pref; bitset <nax> ans; int main() { scanf("%d", &n); v.resize(n); for(int i=0;i<n;i++) { scanf("%lld", &v[i].fi); v[i].se = i; } sort(all(v)); pref.resize(n+1); pref[0] = 0; for(int i=0;i<n;i++) pref[i+1] = v[i].fi + pref[i]; if(v[0].fi < v[n-1].fi) ans[v[n-1].se] = 1; int pos = n - 2, small = n - 2; while(pos >= 0 && ans[v[pos+1].se] == 1) { while(small >= 0 && v[small].fi > v[pos].fi) small--; if(v[pos].fi != v[0].fi && pref[small+1] > v[pos+1].fi) { ans[v[pos].se] = 1; } pos--; } for(int i=0;i<n;i++) printf("%c", (ans[i] ? 'T' : 'N')); puts(""); 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 | #define pb push_back #define mp make_pair #define fi first #define se second #define all(...) begin(__VA_ARGS__) , end(__VA_ARGS__) #define boost {ios_base::sync_with_stdio(false); cin.tie(); cout.tie();} #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef vector <int> vi; typedef pair<int,int> PII; typedef pair<ll,ll> PLL; constexpr ll nax = 5e5+6969, INF = 2e9+6969; int n; vector <PLL> v; vector <ll> pref; bitset <nax> ans; int main() { scanf("%d", &n); v.resize(n); for(int i=0;i<n;i++) { scanf("%lld", &v[i].fi); v[i].se = i; } sort(all(v)); pref.resize(n+1); pref[0] = 0; for(int i=0;i<n;i++) pref[i+1] = v[i].fi + pref[i]; if(v[0].fi < v[n-1].fi) ans[v[n-1].se] = 1; int pos = n - 2, small = n - 2; while(pos >= 0 && ans[v[pos+1].se] == 1) { while(small >= 0 && v[small].fi > v[pos].fi) small--; if(v[pos].fi != v[0].fi && pref[small+1] > v[pos+1].fi) { ans[v[pos].se] = 1; } pos--; } for(int i=0;i<n;i++) printf("%c", (ans[i] ? 'T' : 'N')); puts(""); return 0; } |