#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#if DEBUG
#define LOG(...) printf(__VA_ARGS__)
#else
#define LOG(...)
#endif
int n;
vector<ll> v;
vector<ll> sor;
ll can_weight(ll w, int skip) // I bet it can be faster
{
int i = 0;
while (sor[i] < w && i < n)
{
if (i != skip)
w += sor[i];
i++;
}
return w;
}
int main()
{
scanf("%d", &n);
v.resize(n);
for (int i = 0; i < n; ++i)
scanf("%lld", &v[i]);
sor = v;
sort(sor.begin(), sor.end());
ll biggest = sor[n - 1];
int a = 0, b = n - 1;
ll thres = LLONG_MAX;
while (a <= b)
{
LOG("%d %d\n", a, b);
int mid = (a + b) / 2;
ll val = can_weight(sor[mid], mid);
if (val > biggest && can_weight(sor[mid - 1], mid - 1) <= biggest)
{
thres = sor[mid];
LOG("break at: %d\n", mid);
break;
}
else if (val <= biggest)
a = mid + 1;
else
b = mid;
}
LOG("threshold: %lld\n", thres);
for (int i = 0; i < n; ++i)
{
if (v[i] >= thres)
printf("T");
else
printf("N");
}
printf("\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 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | #include <bits/stdc++.h> using namespace std; typedef long long ll; #if DEBUG #define LOG(...) printf(__VA_ARGS__) #else #define LOG(...) #endif int n; vector<ll> v; vector<ll> sor; ll can_weight(ll w, int skip) // I bet it can be faster { int i = 0; while (sor[i] < w && i < n) { if (i != skip) w += sor[i]; i++; } return w; } int main() { scanf("%d", &n); v.resize(n); for (int i = 0; i < n; ++i) scanf("%lld", &v[i]); sor = v; sort(sor.begin(), sor.end()); ll biggest = sor[n - 1]; int a = 0, b = n - 1; ll thres = LLONG_MAX; while (a <= b) { LOG("%d %d\n", a, b); int mid = (a + b) / 2; ll val = can_weight(sor[mid], mid); if (val > biggest && can_weight(sor[mid - 1], mid - 1) <= biggest) { thres = sor[mid]; LOG("break at: %d\n", mid); break; } else if (val <= biggest) a = mid + 1; else b = mid; } LOG("threshold: %lld\n", thres); for (int i = 0; i < n; ++i) { if (v[i] >= thres) printf("T"); else printf("N"); } printf("\n"); } |
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