#include <iostream>
#include <vector>
#include <algorithm>
#include <utility>
#include <bitset>
using namespace std;
int n;
long long a, px[500005];
vector<pair<long long, int>> v;
bitset<500001> bs, wyn;
int main()
{
scanf("%d", &n);
for(int i = 0; i < n; ++i){
scanf("%lld", &a);
v.push_back(make_pair(a,i));
}
sort(v.begin(), v.end());
bs.flip(0);
for(int i = 1; i < n; ++i){
px[i] = px[i-1] + v[i-1].first;
if(v[i-1].first == v[i].first && bs.test(i-1)) bs.flip(i);
}
if(!bs.test(n-1)){
wyn.flip(v.back().second);
for(int i = n-2; i >= 1; --i){
if(bs.test(i)) break;
if(px[i] + v[i].first > v[i+1].first) wyn.flip(v[i].second);
else break;
}
}
for(int i = 0; i < n; ++i){
if(wyn.test(i)) printf("T");
else printf("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 | #include <iostream> #include <vector> #include <algorithm> #include <utility> #include <bitset> using namespace std; int n; long long a, px[500005]; vector<pair<long long, int>> v; bitset<500001> bs, wyn; int main() { scanf("%d", &n); for(int i = 0; i < n; ++i){ scanf("%lld", &a); v.push_back(make_pair(a,i)); } sort(v.begin(), v.end()); bs.flip(0); for(int i = 1; i < n; ++i){ px[i] = px[i-1] + v[i-1].first; if(v[i-1].first == v[i].first && bs.test(i-1)) bs.flip(i); } if(!bs.test(n-1)){ wyn.flip(v.back().second); for(int i = n-2; i >= 1; --i){ if(bs.test(i)) break; if(px[i] + v[i].first > v[i+1].first) wyn.flip(v[i].second); else break; } } for(int i = 0; i < n; ++i){ if(wyn.test(i)) printf("T"); else printf("N"); } return 0; } |
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