結果
| 問題 |
No.10 +か×か
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2014-10-24 17:27:58 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,112 bytes |
| コンパイル時間 | 1,775 ms |
| コンパイル使用メモリ | 164,088 KB |
| 実行使用メモリ | 350,848 KB |
| 最終ジャッジ日時 | 2024-12-30 13:25:51 |
| 合計ジャッジ時間 | 5,277 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 11 WA * 1 |
ソースコード
#include <bits/stdc++.h>
#define EPS 1e-9
#define INF 1070000000LL
#define MOD 1000000007LL
#define fir first
#define foreach(it,X) for(auto it=(X).begin();it!=(X).end();it++)
#define numa(x,a) for(auto x: a)
#define ite iterator
#define mp make_pair
#define mt make_tuple
#define rep(i,n) rep2(i,0,n)
#define rep2(i,m,n) for(int i=m;i<(n);i++)
#define pb push_back
#define pf push_front
#define sec second
#define sz(x) ((int)(x).size())
#define ALL( c ) (c).begin(), (c).end()
#define gcd(a,b) __gcd(a,b)
#define mem(x,n) memset(x,n,sizeof(x))
#define endl "\n"
using namespace std;
template <int POS, class TUPLE> void deploy(std::ostream &os, const TUPLE &tuple){}
template <int POS, class TUPLE, class H, class ...Ts> void deploy(std::ostream &os, const TUPLE &t){ os << (POS == 0 ? "" : ", ") << get<POS>(t); deploy<POS + 1, TUPLE, Ts...>(os, t); }
template <class T> std::ostream& operator<<(std::ostream &os, std::vector<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; }
template <class T> std::ostream& operator<<(std::ostream &os, std::set<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; }
template <class T, class K> std::ostream& operator<<(std::ostream &os, std::map<T, K> &mp){ int remain = mp.size(); os << "{"; for(auto e: mp) os << "(" << e.first << " -> " << e.second << ")" << (--remain == 0 ? "}" : ", "); return os; }
#define DEBUG1(var0) { std::cerr << (#var0) << "=" << (var0) << endl; }
#define DEBUG2(var0, var1) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG1(var1); }
#define DEBUG3(var0, var1, var2) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG2(var1,var2); }
#define DEBUG4(var0, var1, var2, var3) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG3(var1,var2,var3); }
using ll = long long;
int a[100100];
vector <char> memo[52][100100];
int total;
int main(){
cin.tie(0);
ios_base::sync_with_stdio(0);
int N;
cin >> N;
cin >> total;
rep(i,N){
cin >> a[i];
}
if(N == 1){// N == 1 is ...???
cout << endl;
return 0;
}
if(a[0] + a[1] <= total){
memo[1][a[0]+a[1]] = {'+'};
}
if(a[0] * a[1] <= total){
memo[1][a[0]*a[1]] = {'*'};
}
for(int i = 2;i < N;i++){
for(int j = 0; j <=total;j++){
if(sz(memo[i-1][j]) != 0){
if(j+a[i] <= total){
if(sz(memo[i][j+a[i]]) == 0){
memo[i][j+a[i]] = memo[i-1][j];
memo[i][j+a[i]].pb('+');
}else{
auto x = memo[i-1][j];x.pb('+');
memo[i][j+a[i]] = max(memo[i][j+a[i]],x);
}
}
if(j*a[i] <= total){
if(sz(memo[i][j*a[i]]) == 0){
memo[i][j*a[i]] = memo[i-1][j];
memo[i][j*a[i]].pb('*');
}else{
auto x = memo[i-1][j];x.pb('*');
memo[i][j*a[i]] = max(memo[i][j*a[i]],x);
}
}
}
}
}
numa(c,memo[N-1][total]){
cout << c;
}
cout << endl;
return 0;
}