結果
問題 | No.2065 Sum of Min |
ユーザー |
|
提出日時 | 2022-09-03 14:37:54 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 192 ms / 2,000 ms |
コード長 | 4,040 bytes |
コンパイル時間 | 2,233 ms |
コンパイル使用メモリ | 216,812 KB |
最終ジャッジ日時 | 2025-02-07 02:17:25 |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 20 |
ソースコード
/*** author: shu8Cream* created: 02.09.2022 22:52:38**/#include <bits/stdc++.h>using namespace std;#define overload3(a,b,c,d,...) d#define rep1(i,n) for (int i=0; i<(n); i++)#define rep2(i,a,n) for (int i=(a); i<(n); i++)#define rep(...) overload3(__VA_ARGS__, rep2, rep1)(__VA_ARGS__)#define rrep1(i,n) for (int i=(n-1); i>=0; i--)#define rrep2(i,a,n) for (int i=(n-1); i>=(a); i--)#define rrep(...) overload3(__VA_ARGS__, rrep2, rrep1)(__VA_ARGS__)#define all(x) (x).begin(), (x).end()#define rall(x) (x).rbegin(), (x).rend()#define sz(x) int((x).size())#define pcnt __builtin_popcountllusing ll = long long;using P = pair<ll,ll>;template<typename T> using vc = vector<T>;template<typename T> using vv = vc<vc<T>>;using vi = vc<ll>;using vvi = vv<ll>;const int INF = 1e9;const ll LINF = 8e18;template<typename T>istream& operator>>(istream&i,vc<T>&v){rep(j,sz(v))i>>v[j];return i;}template<typename T>string join(const T&v,const string& d=""){stringstream s;rep(i,sz(v))(i?s<<d:s)<<v[i];return s.str();}template<typename T>ostream& operator<<(ostream&o,const vc<T>&v){if(sz(v))o<<join(v," ");return o;}template<typename T1,typename T2>istream& operator>>(istream&i,pair<T1,T2>&v){return i>>v.first>>v.second;}template<typename T1,typename T2>ostream& operator<<(ostream&o,const pair<T1,T2>&v){return o<<v.first<<","<<v.second;}template<class T> inline bool chmax(T& a, T b) {if(a<b) { a=b;return true; } return false;}template<class T> inline bool chmin(T& a, T b) {if(a>b) { a=b;return true; } return false;}template <class T> string to_string(T s);template <class S, class T> string to_string(pair<S, T> p);string to_string(char c) { return string(1, c); }string to_string(string s) { return s; }string to_string(const char s[]) { return string(s); }template <class T>string to_string(T v) {if (v.empty()) return "{}";string ret = "{";for (auto x : v) ret += to_string(x) + ",";ret.back() = '}';return ret;}template <class S, class T>string to_string(pair<S, T> p) {return "{" + to_string(p.first) + ":" + to_string(p.second) + "}";}void debug_out() { cout << endl; }template <typename Head, typename... Tail>void debug_out(Head H, Tail... T) {cout << to_string(H) << " ";debug_out(T...);}#ifdef _DEBUG#define debug(...) debug_out(__VA_ARGS__)#else#define debug(...)#endiftemplate <typename T>vector<T> compress(vector<T> a){auto b = a;sort(all(b));b.erase(unique(all(b)), b.end());for(auto &p:a) p = lower_bound(all(b),p) - b.begin();return a;}template<typename T>struct BIT{public:int n; vector<T> a;BIT(int n_):n(n_),a(n+1,0){}void add(int idx, T x){idx++;assert(0<idx && idx<=n && "Index error");for(int i=idx; i<=n; i+=i&(-i)){a[i]+=x;}}T sum(int idx){T res = 0;idx++;assert(0<=idx && idx<=n && "Index error");if(idx==0) return 0;for(int i=idx; i>0; i-=(i&-i)){res+=a[i];}return res;}T sum(int l, int r){if(l==0) return sum(r-1);return sum(r-1)-sum(l-1);}};int main() {cin.tie(nullptr);ios::sync_with_stdio(false);cout << fixed << setprecision(15);int n,q; cin >> n >> q;vi a(n); cin >> a;BIT<ll> bit(n),cnt(n);vc<P> comp(n);rep(i,n){bit.add(i,a[i]);comp[i] = {a[i],i};}sort(rall(comp));vc<tuple<ll,ll,ll,ll>> query(q);rep(qi,q){ll l,r,x; cin >> l >> r >> x;query[qi] = {x,l-1,r,qi};}sort(rall(query));vi ans(q);int cur = 0;for(auto[x,l,r,id]:query){while(cur<n && comp[cur].first>x){bit.add(comp[cur].second, -a[comp[cur].second]);cnt.add(comp[cur].second,1);cur++;}// cerr << bit.sum(l,r) << " " << x*cnt.sum(l,r) << endl;ans[id] = bit.sum(l,r) + x*cnt.sum(l,r);}rep(i,q) cout << ans[i] << endl;}