結果
| 問題 |
No.2982 Logic Battle
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2025-02-02 23:31:04 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,697 bytes |
| コンパイル時間 | 1,543 ms |
| コンパイル使用メモリ | 146,260 KB |
| 実行使用メモリ | 6,824 KB |
| 最終ジャッジ日時 | 2025-02-02 23:31:08 |
| 合計ジャッジ時間 | 3,205 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 12 WA * 26 |
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:118:16: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
118 | freopen(task".inp","r",stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
main.cpp:119:16: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
119 | freopen(task".out","w",stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
main.cpp:123:16: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
123 | freopen(task1".inp","r",stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
main.cpp:124:16: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
124 | freopen(task1".out","w",stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
ソースコード
// #pragma GCC optimize("Ofast,unroll-loops")
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <locale>
#include <map>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <unordered_set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <utility>
#include <valarray>
#include <vector>
#include <cstring>
#include <unordered_map>
#include <cmath>
#include <array>
#include <cassert>
#include <random>
#include <chrono>
using namespace std;
#define BIT(i,j) (((i)>>(j))&1LL)
#define MASK(i) (1LL<<(i))
#define ALL(x) (x).begin(),(x).end()
#define SZ(x) (int)(x).size()
#define fi first
#define se second
#define ull unsigned long long
#define ll long long
#define ld long double
#define vi vector<int>
#define vvi vector<vi>
#define vvvi vector<vvi>
#define pii pair<int,int>
#define vpii vector<pii>
#define vvpii vector<vpii>
#define endl "\n"
#define MP make_pair
#define int ll
//------------------------------------------------------------------------------------------------//
template<typename T1, typename T2> bool mini(T1 &a, T2 b){if(a>b){a=b;return true;}return false;}
template<typename T1, typename T2> bool maxi(T1 &a, T2 b){if(a<b){a=b;return true;}return false;}
template<typename T> T gcd(T a, T b) { while(b) { a %= b; swap(a,b); } return a; }
template<typename T> T lcm(T a, T b) { return a/gcd(a,b)*b; }
//-----------------------------------------------------------------------------------------------//
const ll LINF = 1e18;
const int INF = 1e9;
const int LOG = 20;
const int MAXN = 5e5+7;
const int N = 1e2+3;
const int MOD = 1e9+7;
const int BASE = 1e5;
const ld EPS = 1e-9;
const ld PI = acos(-1);
const int OFFSET = 1e3;
//------------------------------------------------------------------------------------------------//
int calc(int n, int i){
assert(i>=1);
if(i>=n) return 1LL*n*(n+1)/2;
return 1LL*(n+(n-i+1))*i/2;
}
pii dp[5003][4];
int a[5003][4];
void solve(){
int n; cin >> n;
for(int i = 1; i<=n; i++){
for(int j = 1; j<=3; j++){
cin >> a[i][j];
}
}
for(int j = 1; j<=3; j++) dp[1][j] = MP(a[1][j],max(0LL,a[1][j]-1));
for(int i = 1; i<n; i++){
for(int j = 1; j<=3; j++){
for(int k = 1; k<=3; k++){
if(j==k) continue;
int x = dp[i][j].se+a[i+1][k];
if(maxi(dp[i+1][k].fi,dp[i][j].fi+x)){
dp[i+1][k].se = x-1;
}
}
}
}
int res = 0;
for(int j = 1; j<=3; j++) maxi(res,dp[n][j].fi);
cout << res;
}
signed main(){
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
#define task "test"
if(fopen(task".inp","r")){
freopen(task".inp","r",stdin);
freopen(task".out","w",stdout);
}
#define task1 "nothing"
if(fopen(task1".inp","r")){
freopen(task1".inp","r",stdin);
freopen(task1".out","w",stdout);
}
int test = 1;
while(test--){
solve();
}
cerr << "\nTime elapsed: " << 1000*clock()/CLOCKS_PER_SEC << "ms\n";
return 0;
}
/** /\_/\
* (= ._.)
* / >TL \>AC
**/