結果

問題 No.2073 Concon Substrings (Swap Version)
ユーザー woodywoodywoodywoody
提出日時 2022-09-16 22:49:26
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 4,609 bytes
コンパイル時間 4,243 ms
コンパイル使用メモリ 241,488 KB
実行使用メモリ 6,948 KB
最終ジャッジ日時 2024-06-01 13:47:49
合計ジャッジ時間 5,519 ms
ジャッジサーバーID
(参考情報)
judge4 / judge3
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 2 ms
6,812 KB
testcase_01 AC 2 ms
6,944 KB
testcase_02 AC 2 ms
6,940 KB
testcase_03 AC 2 ms
6,944 KB
testcase_04 AC 2 ms
6,944 KB
testcase_05 AC 23 ms
6,940 KB
testcase_06 AC 21 ms
6,940 KB
testcase_07 AC 2 ms
6,944 KB
testcase_08 AC 15 ms
6,940 KB
testcase_09 AC 17 ms
6,940 KB
testcase_10 AC 25 ms
6,940 KB
testcase_11 AC 25 ms
6,940 KB
testcase_12 AC 2 ms
6,940 KB
testcase_13 AC 4 ms
6,944 KB
testcase_14 AC 21 ms
6,940 KB
testcase_15 AC 8 ms
6,944 KB
testcase_16 WA -
testcase_17 WA -
testcase_18 WA -
testcase_19 WA -
testcase_20 WA -
testcase_21 WA -
testcase_22 AC 19 ms
6,944 KB
testcase_23 AC 2 ms
6,940 KB
testcase_24 AC 3 ms
6,940 KB
testcase_25 AC 14 ms
6,944 KB
testcase_26 AC 19 ms
6,944 KB
testcase_27 AC 2 ms
6,940 KB
testcase_28 AC 16 ms
6,944 KB
testcase_29 AC 7 ms
6,944 KB
testcase_30 AC 13 ms
6,940 KB
testcase_31 AC 7 ms
6,940 KB
testcase_32 AC 4 ms
6,940 KB
testcase_33 AC 5 ms
6,940 KB
testcase_34 AC 5 ms
6,944 KB
testcase_35 AC 11 ms
6,940 KB
testcase_36 AC 5 ms
6,944 KB
testcase_37 AC 10 ms
6,940 KB
testcase_38 AC 5 ms
6,944 KB
testcase_39 AC 11 ms
6,944 KB
testcase_40 AC 10 ms
6,940 KB
testcase_41 AC 12 ms
6,944 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

// #define _GLIBCXX_DEBUG
#include<bits/stdc++.h>
#include<atcoder/all>
#define rep(i,b) for(int i=0;i<b;i++)
#define rrep(i,b) for(int i=b-1;i>=0;i--)
#define rep1(i,b) for(int i=1;i<b;i++)
#define repx(i,x,b) for(int i=x;i<b;i++)
#define rrepx(i,x,b) for(int i=b-1;i>=x;i--)
#define fore(i,a) for(auto i:a)
#define fore1(i,a) for(auto &i:a)
#define rng(x) (x).begin(), (x).end()
#define rrng(x) (x).rbegin(), (x).rend()
#define sz(x) ((int)(x).size())
#define pb push_back
#define fi first
#define se second
#define pcnt __builtin_popcountll

using namespace std;
using namespace atcoder;

using ll = long long;
using ld = long double;
template<typename T> using mpq = priority_queue<T, vector<T>, greater<T>>;
template<typename T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<typename T> bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
template<typename T> ll sumv(const vector<T>&a){ll res(0);for(auto&&x:a)res+=x;return res;}
bool yn(bool a) { if(a) {cout << "Yes" << endl; return 1;} else {cout << "No" << endl; return 0;}}
#define dame { cout << "No" << endl; return 0;}
#define dame1 { cout << -1 << endl; return 0;}
#define test(x) cout << "test" << x << endl;
#define deb(x,y) cout << x << " " << y << endl;
#define debp(p) cout << p.fi << " " << p.se << endl;
#define deb3(x,y,z) cout << x << " " << y << " " << z << endl;
#define deb4(x,y,z,x2) cout << x << " " << y << " " << z << " " << x2 << endl;
#define out cout << ans << endl;
#define outd cout << fixed << setprecision(20) << ans << endl;
#define outm cout << ans.val() << endl;
#define outv fore(yans , ans) cout << yans << "\n";
#define outdv fore(yans , ans) cout << yans.val() << "\n";
#define show(x) cerr<<#x<<" = "<<x<<endl;
#define showdeb(x,y) cerr<<#x<<" = "<<x<<" : "<<#y<<" = "<<y<<endl;
#define showv(v) {fore(vy , v) {cout << vy << " ";} cout << endl;}
#define showv2(v) fore(vy , v) cout << vy << "\n";
#define showvm(v) {fore(vy , v) {cout << vy.val() << " ";} cout << endl;}
#define showvm2(v) fore(vy , v) cout << vy.val() << "\n";
using pll = pair<ll,ll>;using pil = pair<int,ll>;using pli = pair<ll,int>;using pii = pair<int,int>;using pdd = pair<ld,ld>;
using tp = tuple<int ,int ,int>;
using vi = vector<int>;using vd = vector<ld>;using vl = vector<ll>;using vs = vector<string>;using vb = vector<bool>;
using vpii = vector<pii>;using vpli = vector<pli>;using vpll = vector<pll>;using vpil = vector<pil>;
using vvi = vector<vector<int>>;using vvl = vector<vector<ll>>;using vvs = vector<vector<string>>;using vvb = vector<vector<bool>>;
using vvpii = vector<vector<pii>>;using vvpli = vector<vector<pli>>;using vvpll = vector<vpll>;using vvpil = vector<vpil>;
using mint = modint998244353;
using vm = vector<mint>;
using vvm = vector<vector<mint>>;
vector<int> dx={1,0,-1,0,1,1,-1,-1},dy={0,1,0,-1,1,-1,1,-1};
ll gcd(ll a, ll b) { return a?gcd(b%a,a):b;}
ll lcm(ll a, ll b) { return a/gcd(a,b)*b;}
#define yes {cout <<"Yes"<<endl;}
#define yesr { cout <<"Yes"<<endl; return 0;}
#define no {cout <<"No"<<endl;}
#define nor { cout <<"No"<<endl; return 0;}
const double eps = 1e-10;
const ll LINF = 1001002003004005006ll;
const int INF = 1001001001;

int main(){
    int n; cin>>n;
    string s; cin>>s;

    vvl cnt(3,vl(3));
    vl cnt2(3);

    map<char,int> mp;
    mp['c'] = 0;
    mp['o'] = 1;
    mp['n'] = 2;

    rep(i,3*n){
        int k = i % 3;
        if (mp.count(s[i])){
            cnt[k][mp[s[i]]]++;
        }else{
            cnt2[k]++;
        }
    }

    // rep(i,3){
    //     show(i);
    //     showv(cnt[i]);
    // }

    ll ans = 0;
    // rep(k,2){
    //     ll mx = 0;
    //     rep(i,3){
    //         ll mn = LINF;
    //         rep(j,3){
    //             chmin(mn , cnt[j][(j+i+k)%3]);
    //         }
    //         mx += mn;
    //     }
    //     chmax(ans,mx);
    // }
    ll now = 0;
    ll tmp = min({cnt[0][0] , cnt[1][1] , cnt[2][2]});
    ans += tmp;
    now += 3*tmp + 1;
    if (!(cnt2[0] >0 || tmp < cnt[0][0])){
        ll tmp2 = min({cnt[0][2] , cnt[1][0] , cnt[2][1]});
        if (cnt[0][2] > tmp2) cnt[0][2]--;
        else cnt[0][1]--;
    }
    tmp = min({cnt[0][2] , cnt[1][0] , cnt[2][1]});
    ans += tmp;
    now += 3*tmp + 1;
    if (cnt2[1] == 0){
        ll tmp2 = min({cnt[0][0] , cnt[1][1] , cnt[2][2]});
        if (tmp == cnt[1][0] && tmp2 == cnt[1][1]) cnt[1][2]--;
    }
    // showdeb(ans,tmp);
    tmp = min({cnt[0][1] , cnt[1][2] , cnt[2][0] , (3*n-now)/3});
    ans += tmp;


    out;

// 消せ!!!!!! #define _GLIBCXX_DEBUG
// priority_queue でしぬ

    return 0;
}
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