結果
問題 | No.1096 Range Sums |
ユーザー |
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提出日時 | 2020-06-26 21:38:36 |
言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 25 ms / 2,000 ms |
コード長 | 3,401 bytes |
コンパイル時間 | 23,281 ms |
コンパイル使用メモリ | 458,924 KB |
最終ジャッジ日時 | 2025-01-11 11:04:30 |
ジャッジサーバーID (参考情報) |
judge2 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 12 |
ソースコード
#pragma GCC optimize("Ofast")#pragma GCC optimize("unroll-loops")#pragma GCC push_options#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")#include<bits/stdc++.h>#include <xmmintrin.h>#include <immintrin.h>using namespace::std;__attribute__((constructor))void init(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(15);}#include<ext/pb_ds/assoc_container.hpp>#include<ext/pb_ds/tree_policy.hpp>#include <ext/pb_ds/priority_queue.hpp>#include<ext/pb_ds/tag_and_trait.hpp>// #include <boost/multiprecision/cpp_dec_float.hpp>// #include <boost/multiprecision/cpp_int.hpp>// namespace mp = boost::multiprecision;// typedef mp::number<mp::cpp_dec_float<0>> cdouble;// typedef mp::cpp_int cint;template<typename T>using pbds=__gnu_pbds::tree<T,__gnu_pbds::null_type,less<T>,__gnu_pbds::rb_tree_tag,__gnu_pbds::tree_order_statistics_node_update>;template<typename T>using pbds_map=__gnu_pbds::tree<T,T,less<T>,__gnu_pbds::rb_tree_tag,__gnu_pbds::tree_order_statistics_node_update>;template<typename T,typename E>using hash_map=__gnu_pbds::gp_hash_table<T,E>;template<typename T>using pqueue =__gnu_pbds::priority_queue<T, greater<T>,__gnu_pbds::rc_binomial_heap_tag>;typedef long long lint;#define INF (1LL<<60)#define IINF (1<<30)#define LINF (9223372036854775807LL)#define EPS (1e-10)#define endl ('\n')//#define MOD 1000000007LL#define MOD 998244353LL//#define MOD 18446744069414584321ULLtypedef vector<lint> vec;typedef vector<vector<lint>> mat;typedef vector<vector<vector<lint>>> mat3;typedef vector<string> svec;typedef vector<vector<string>> smat;template<typename T>inline void numout(T t){bool f=0;for(auto i:t){cout<<(f?" ":"")<<i<INF/2?i:"INF";f=1;}cout<<endl;}template<typename T>inline void numout2(T t){for(auto i:t)numout(i);}template<typename T>inline void output(T t){bool f=0;for(auto i:t){cout<<(f?" ":"")<<i;f=1;}cout<<endl;}template<typename T>inline void output2(T t){for(auto i:t)output(i);}template<typename T>inline void _output(T t){bool f=0;for(lint i=0;i<t.size();i++){cout<<f?"":" "<<t[i];f=1;}cout<<endl;}template<typename T>inline void _output2(T t){for(lint i=0;i<t.size();i++)output(t[i]);}#define rep(i,n) for(lint i=0;i<lint(n);++i)#define repi(i,a,b) for(lint i=lint(a);i<(lint)(b);++i)#define rrep(i,n) for(lint i=lint(n)-1;i>=0;--i)#define rrepi(i,a,b) for(lint i=lint(b)-1;i>=lint(a);--i)#define irep(i) for(lint i=0;;++i)#define all(n) begin(n),end(n)#define dist(a,b,c,d) sqrt(pow(a-c,2)+pow(b-d,2))inline lint gcd(lint A,lint B){return B?gcd(B,A%B):A;}inline lint lcm(lint A,lint B){return A/gcd(A,B)*B;}// inline cint cgcd(cint A,cint B){return B?cgcd(B,A%B):A;}// inline cint clcm(cint A,cint B){return A/cgcd(A,B)*B;}bool chmin(auto& s,const auto& t){bool res=s>t;s=min(s,t);return res;}bool chmax(auto& s,const auto& t){bool res=s<t;s=max(s,t);return res;}const vector<lint> dx={1,0,-1,0,1,1,-1,-1};const vector<lint> dy={0,1,0,-1,1,-1,1,-1};#define SUM(v) accumulate(all(v),0LL)auto call=[](auto f,auto... args){return f(f,args...);};template<typename T,typename ...Args>auto make_vector(T x,int arg,Args ...args){if constexpr(sizeof...(args)==0)return vector<T>(arg,x);else returnvector(arg,make_vector<T>(x,args...));}int main(){lint n;cin>>n;vec a(n);rep(i,n)cin>>a[i];lint ans=0;rep(i,n)ans+=(i+1)*(n-i)*a[i];cout<<ans<<endl;}