#include <bits/stdc++.h> using namespace std; #define rep(i,a,n) for (int i=a;i<n;i++) #define per(i,a,n) for (int i=n-1;i>=a;i--) #define pb push_back #define mp make_pair #define all(x) (x).begin(),(x).end() #define fi first #define se second #define SZ(x) ((int)(x).size()) typedef vector<int> VI; typedef long long ll; typedef pair<int,int> PII; typedef double db; const ll mod=1000000007; ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;} ll gcd(ll a,ll b) { return b?gcd(b,a%b):a;} // head const int N=501000; PII p[N]; int n; char ret[N]; int main() { scanf("%d",&n); rep(i,1,n+1) { scanf("%d",&p[i].fi); p[i].se=i-1; } sort(p+1,p+n+1); int l=0,r=n+1; while (l+1<r) { int md=(l+r)>>1; auto check=[&](int md) { ll s=p[md].fi; rep(i,1,n+1) { if (i==md) continue; if (s<=p[i].fi) return false; s+=p[i].fi; } return true; }; if (check(md)) r=md; else l=md; } rep(i,1,n+1) if (i>=r) ret[p[i].se]='T'; else ret[p[i].se]='N'; puts(ret); }
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 | #include <bits/stdc++.h> using namespace std; #define rep(i,a,n) for (int i=a;i<n;i++) #define per(i,a,n) for (int i=n-1;i>=a;i--) #define pb push_back #define mp make_pair #define all(x) (x).begin(),(x).end() #define fi first #define se second #define SZ(x) ((int)(x).size()) typedef vector<int> VI; typedef long long ll; typedef pair<int,int> PII; typedef double db; const ll mod=1000000007; ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;} ll gcd(ll a,ll b) { return b?gcd(b,a%b):a;} // head const int N=501000; PII p[N]; int n; char ret[N]; int main() { scanf("%d",&n); rep(i,1,n+1) { scanf("%d",&p[i].fi); p[i].se=i-1; } sort(p+1,p+n+1); int l=0,r=n+1; while (l+1<r) { int md=(l+r)>>1; auto check=[&](int md) { ll s=p[md].fi; rep(i,1,n+1) { if (i==md) continue; if (s<=p[i].fi) return false; s+=p[i].fi; } return true; }; if (check(md)) r=md; else l=md; } rep(i,1,n+1) if (i>=r) ret[p[i].se]='T'; else ret[p[i].se]='N'; puts(ret); } |