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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#70668 | #5072. Future Coder | nocriz# | TL | 0ms | 3556kb | C++17 | 6.9kb | 2023-01-07 14:14:46 | 2023-01-07 14:14:48 |
Judging History
answer
// 苔花如米小,也学牡丹开。
// Zhikun Wang (nocriz)
// 敢问路在何方 路在脚下
#include <bits/stdc++.h>
using namespace std;
using ll = long long; using db = long double; using str = string;
using pi = pair<int,int>; using pl = pair<ll,ll>; using pd = pair<db,db>;
using vi = vector<int>; using vb = vector<bool>; using vl = vector<ll>;
using vd = vector<db>; using vs = vector<str>;
using vpi = vector<pi>; using vpl = vector<pl>; using vpd = vector<pd>;
#define tcT template<class T
#define tcTU tcT, class U
tcT> using V = vector<T>; tcT, size_t SZ> using AR = array<T,SZ>; tcT> using PR = pair<T,T>;
#define mp make_pair
#define f first
#define s second
#define sz(x) int((x).size())
#define bg(x) begin(x)
#define all(x) bg(x), end(x)
#define rall(x) x.rbegin(), x.rend()
#define sor(x) sort(all(x))
#define rsz resize
#define ins insert
#define ft front()
#define bk back()
#define pb push_back
#define eb emplace_back
#define pf push_front
#define lb lower_bound
#define ub upper_bound
tcT> int lwb(V<T>& a, const T& b) { return int(lb(all(a),b)-bg(a)); }
#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
#define R0F(i,a) ROF(i,0,a)
#define each(a,x) for (auto& a: x)
const int MOD = 998244353;
const ll INF = 1e18; // not too close to LLONG_MAX
const db PI = acos((db)-1);
const int dx[4] = {-1, 0, 1, 0}, dy[4] = {0,1,0,-1}; // for every grid problem!!
mt19937 rng((uint32_t)chrono::steady_clock::now().time_since_epoch().count());
template<class T> using pqg = priority_queue<T,vector<T>,greater<T>>;
constexpr int pct(int x) { return __builtin_popcount(x); } // # of bits set
constexpr int bits(int x) { return x == 0 ? 0 : 31-__builtin_clz(x); } // floor(log2(x))
constexpr int p2(int x) { return 1<<x; }
constexpr int msk2(int x) { return p2(x)-1; }
ll cdiv(ll a, ll b) { return a/b+((a^b)>0&&a%b); } // divide a by b rounded up
ll fdiv(ll a, ll b) { return a/b-((a^b)<0&&a%b); } // divide a by b rounded down
tcT> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; }
tcT> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
tcTU> T fstTrue(T lo, T hi, U f) { hi ++; assert(lo <= hi); while (lo < hi) { T mid = lo+(hi-lo)/2; f(mid) ? hi = mid : lo = mid+1; } return lo; }
tcTU> T lstTrue(T lo, T hi, U f) { lo --; assert(lo <= hi); while (lo < hi) { T mid = lo+(hi-lo+1)/2; f(mid) ? lo = mid : hi = mid-1; } return lo; }
tcT> void remDup(vector<T>& v) { sort(all(v)); v.erase(unique(all(v)),end(v)); }
tcTU> void erase(T& t, const U& u) { auto it = t.find(u); assert(it != end(t)); t.erase(it); }
#define tcTUU tcT, class ...U
inline namespace Helpers { tcT, class = void> struct is_iterable : false_type {}; tcT> struct is_iterable<T, void_t<decltype(begin(declval<T>())), decltype(end(declval<T>())) > > : true_type {}; tcT> constexpr bool is_iterable_v = is_iterable<T>::value; tcT, class = void> struct is_readable : false_type {}; tcT> struct is_readable<T, typename std::enable_if_t< is_same_v<decltype(cin >> declval<T&>()), istream&> > > : true_type {}; tcT> constexpr bool is_readable_v = is_readable<T>::value; tcT, class = void> struct is_printable : false_type {}; tcT> struct is_printable<T, typename std::enable_if_t< is_same_v<decltype(cout << declval<T>()), ostream&> > > : true_type {}; tcT> constexpr bool is_printable_v = is_printable<T>::value;}
inline namespace Input { tcT> constexpr bool needs_input_v = !is_readable_v<T> && is_iterable_v<T>; tcTUU> void re(T& t, U&... u); tcTU> void re(pair<T,U>& p); tcT> typename enable_if<is_readable_v<T>,void>::type re(T& x) { cin >> x; } tcT> void re(complex<T>& c) { T a,b; re(a,b); c = {a,b}; } tcT> typename enable_if<needs_input_v<T>,void>::type re(T& i); tcTU> void re(pair<T,U>& p) { re(p.f,p.s); } tcT> typename enable_if<needs_input_v<T>,void>::type re(T& i) { each(x,i) re(x); } tcTUU> void re(T& t, U&... u) { re(t); re(u...); }}
inline namespace ToString { tcT> constexpr bool needs_output_v = !is_printable_v<T> && is_iterable_v<T>; tcT> typename enable_if<is_printable_v<T>,str>::type ts(T v) { stringstream ss; ss << fixed << setprecision(15) << v; return ss.str(); } tcT> str bit_vec(T t) { str res = "{"; F0R(i,sz(t)) res += ts(t[i]); res += "}"; return res; } str ts(V<bool> v) { return bit_vec(v); } template<size_t SZ> str ts(bitset<SZ> b) { return bit_vec(b); } tcTU> str ts(pair<T,U> p); tcT> typename enable_if<needs_output_v<T>,str>::type ts(T v); tcTU> str ts(pair<T,U> p) { return "("+ts(p.f)+", "+ts(p.s)+")"; } tcT> typename enable_if<is_iterable_v<T>,str>::type ts_sep(T v, str sep) { bool fst = 1; str res = ""; for (const auto& x: v) { if (!fst) res += sep; fst = 0; res += ts(x); } return res; } tcT> typename enable_if<needs_output_v<T>,str>::type ts(T v) { return "{"+ts_sep(v,", ")+"}"; } template<int, class T> typename enable_if<!needs_output_v<T>,vs>::type ts_lev(const T& v) { return {ts(v)}; } template<int lev, class T> typename enable_if<needs_output_v<T>,vs>::type ts_lev(const T& v) { if (lev == 0 || !sz(v)) return {ts(v)}; vs res; for (const auto& t: v) { if (sz(res)) res.bk += ","; vs tmp = ts_lev<lev-1>(t); res.ins(end(res),all(tmp)); } F0R(i,sz(res)) { str bef = " "; if (i == 0) bef = "{"; res[i] = bef+res[i]; } res.bk += "}"; return res; } }
inline namespace Output { template<class T> void pr_sep(ostream& os, str, const T& t) { os << ts(t); } template<class T, class... U> void pr_sep(ostream& os, str sep, const T& t, const U&... u) {pr_sep(os,sep,t); os << sep; pr_sep(os,sep,u...); } template<class ...T> void pr(const T&... t) { pr_sep(cout,"",t...); } void ps() { cout << "\n"; } template<class ...T> void ps(const T&... t) { pr_sep(cout," ",t...); ps(); } template<class ...T> void dbg_out(const T&... t) { pr_sep(cerr," | ",t...); cerr << endl; }void loc_info(int line, str names) { cerr << "Line(" << line << ") -> [" << names << "]: "; } template<int lev, class T> void dbgl_out(const T& t) { cerr << "\n\n" << ts_sep(ts_lev<lev>(t),"\n") << "\n" << endl; } }
#ifdef LOCAL
#define dbg(...) loc_info(__LINE__,#__VA_ARGS__), dbg_out(__VA_ARGS__)
#define dbgl(lev,x) loc_info(__LINE__,#x), dbgl_out<lev>(x)
#else
#define dbg(...) 0
#define dbgl(lev,x) 0
#endif
void decrement() {} // subtract one from each
tcTUU> void decrement(T& t, U&... u) { --t; decrement(u...); }
#define ints(...) int __VA_ARGS__; re(__VA_ARGS__);
#define int1(...) ints(__VA_ARGS__); decrement(__VA_ARGS__);
int T;
int main() {
re(T);
while(T--){
ints(n);
vi a(n);
re(a);
sort(all(a));
int p = 0;
int c = 0;
ll ans = 0;
while(p<n && a[p]<0) p++;
while(c<n && a[c]<0){
ans+=n-p;
c+=1;
}
while(p<n && a[p]<=0) p++;
while(c<n && a[c]<=0){
ans+=n-p;
c+=1;
}
while(c<n && a[c]<=1){
ans+=n-c-1;
c+=1;
}
ps(ans);
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3556kb
input:
2 8 3 -1 4 1 -5 9 2 -6 1 0
output:
19 0
result:
ok 2 number(s): "19 0"
Test #2:
score: -100
Time Limit Exceeded
input:
1000000 1 -164353707 1 -282757533 1 916961328 1 -540297420 1 866372576 1 1 1 871062154 1 873753814 1 1 1 1 1 636976909 1 789718633 1 200630859 1 -855838121 1 1 1 1 1 282306491 1 -308064257 1 -220028474 1 396002423 1 765070684 1 407981535 1 1 1 184126913 1 935672434 1 -70908999 1 1 1 669665925 1 1 1 ...
output:
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...