結果
問題 | No.2510 Six Cube Sum Counting |
ユーザー |
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提出日時 | 2023-10-20 23:20:30 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 1,379 ms / 4,000 ms |
コード長 | 1,487 bytes |
コンパイル時間 | 4,219 ms |
コンパイル使用メモリ | 246,504 KB |
実行使用メモリ | 136,332 KB |
最終ジャッジ日時 | 2024-09-20 23:02:00 |
合計ジャッジ時間 | 31,621 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 26 |
コンパイルメッセージ
main.cpp: In function 'int main()': main.cpp:40:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 40 | auto [val, t]= s[i]; | ^ main.cpp:43:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 43 | auto [a,b,c] = t; | ^ main.cpp:44:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 44 | auto [val2, t2] = s[it]; | ^ main.cpp:45:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 45 | auto [d,e,f] = t2; | ^
ソースコード
#include <bits/stdc++.h>using namespace std;#include <atcoder/all>using namespace atcoder;#define rep(i, n) for(int i=0;i<(n);++i)#define rep1(i, n) for(int i=1;i<=(n);i++)#define ll long longusing mint = modint998244353;using P = pair<ll,ll>;using lb = long double;using T = tuple<int, int, int>;template<typename T>inline bool chmax(T& a,T b){if(a<b){a=b;return 1;}return 0;}#ifdef LOCAL# include <debug_print.hpp># define dbg(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__)#else# define dbg(...) (static_cast<void>(0))#endifint main(){ll x;cin >> x;ll ans = 0;vector<pair<int,tuple<int,int,int>>> s;for(int i=0;i<=300;i++){for(int j=i;j<=300;j++){for(int k=j;k<=300;k++){int val = i*i*i+j*j*j+k*k*k;s.emplace_back(val,T(i,j,k));}}}int m = s.size();sort(s.begin(),s.end());vector<int> S;rep(i,m) S.push_back(s[i].first);set<vector<int>> D;rep(i,m){auto [val, t]= s[i];int it = lower_bound(S.begin(),S.end(),x-val) - S.begin();if(S[it]==x-val) {auto [a,b,c] = t;auto [val2, t2] = s[it];auto [d,e,f] = t2;vector<int> vs;vs.push_back(a);vs.push_back(b);vs.push_back(c);vs.push_back(d);vs.push_back(e);vs.push_back(f);sort(vs.begin(),vs.end());D.insert(vs);}}cout<<D.size()<<endl;return 0;}