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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#60870#4482. BBQqinjianbinAC ✓729ms8436kbC++5.8kb2022-11-07 23:04:392022-11-07 23:04:42

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2022-11-07 23:04:42]
  • 评测
  • 测评结果:AC
  • 用时:729ms
  • 内存:8436kb
  • [2022-11-07 23:04:39]
  • 提交

answer

#include<iostream>
#include<cstdio>
#include<cstring>
#include<string>
#include<cmath>
#include<algorithm>
#include<cctype>
#include<ctime>
#include<queue>
#include<stack>
#include<deque>
#include<map>
#include<unordered_map>
#include<set>
#include<unordered_set>
#include<bitset>
#include<functional>
using namespace std;
//STL库常用(vector, map, set, pair)
#define pii pair<int,int>
#define pdd pair<double,double>
#define F first
#define S second
//常量
#define PI (acos(-1.0))
#define INF 0x3f3f3f3f
//必加
#ifdef TanJI
#include<cassert>
#define dbg(...) do {cerr << #__VA_ARGS__ << " -> "; err(__VA_ARGS__); } while(0)
void err() {cerr << endl;}
template<template<typename...> class T, typename t, typename... A> void err(T<t> a, A... x) {for (auto v: a) cerr << v << ' '; cerr << ", "; err(x...);}
template<typename T, typename... A> void err(T a, A... x) {cerr << a << ' '; err(x...);}
template<typename T> void err(T *a, int len) {for (int i = 0; i < len; i++) cerr << a[i] << ' '; err();}
#else 
#define dbg(...)
#define assert(...)
#endif
typedef unsigned long long ull;
typedef long long ll;
typedef double db;
// 快读快输
template<typename T> inline T read() {T x=0; bool f=0; char c=getchar();while(!isdigit(c)){if(c =='-')f= 1; c=getchar();}while(isdigit(c)){x=(x<<3)+(x<<1)+(c^48);c=getchar();}return f?~x+1:x;}
template<typename T> inline void print(T k){ int num = 0,ch[20]; if(k == 0){ putchar('0'); return ; } (k<0)&&(putchar('-'),k = -k); while(k>0) ch[++num] = k%10, k /= 10; while(num) putchar(ch[num--]+48); }
//图论
const int GRAPHN = 1, GRAPHM = 1;
int h[GRAPHN], e[GRAPHM], ne[GRAPHM], wei[GRAPHM], idx;
void AddEdge(int a, int b) {e[idx] = b, ne[idx] = h[a], h[a] = idx++;}
void AddEdge(int a, int b, int c) {e[idx] = b, ne[idx] = h[a], wei[idx] = c, h[a] = idx++;}
void AddEdge(int h[], int a, int b) {e[idx] = b, ne[idx] = h[a], h[a] = idx++;}
void AddEdge(int h[], int a, int b, int c) {e[idx] = b, ne[idx] = h[a], wei[idx] = c, h[a] = idx++;}
// 数学公式
template<typename T> inline T gcd(T a, T b){ return b==0 ? a : gcd(b,a%b); }
template<typename T> inline T lowbit(T x){ return x&(-x); }
template<typename T> inline bool mishu(T x){ return x>0?(x&(x-1))==0:false; }
template<typename T1,typename T2, typename T3> inline ll q_mul(T1 a,T2 b,T3 p){ ll w = 0; while(b){ if(b&1) w = (w+a)%p; b>>=1; a = (a+a)%p; } return w; }
template<typename T,typename T2> inline ll f_mul(T a,T b,T2 p){ return (a*b - (ll)((long double)a/p*b)*p+p)%p; }
template<typename T1,typename T2, typename T3> inline ll q_pow(T1 a,T2 b,T3 p){ ll w = 1; while(b){ if(b&1) w = (w*a)%p; b>>=1; a = (a*a)%p;} return w; }
template<typename T1,typename T2, typename T3> inline ll s_pow(T1 a,T2 b,T3 p){ ll w = 1; while(b){ if(b&1) w = q_mul(w,a,p); b>>=1; a = q_mul(a,a,p);} return w; }
template<typename T> inline ll ex_gcd(T a, T b, T& x, T& y){ if(b == 0){ x = 1, y = 0; return (ll)a; } ll r = ex_gcd(b,a%b,y,x); y -= a/b*x; return r;/*gcd*/ }
template<typename T1,typename T2> inline ll com(T1 m, T2 n) { int k = 1;ll ans = 1; while(k <= n){ ans=((m-k+1)*ans)/k;k++;} return ans; }
template<typename T> inline bool isprime(T n){ if(n <= 3) return n>1; if(n%6 != 1 && n%6 != 5) return 0; T n_s = floor(sqrt((db)(n))); for(int i = 5; i <= n_s; i += 6){ if(n%i == 0 || n%(i+2) == 0) return 0; } return 1; }
/* ----------------------------------------------------------------------------------------------------------------------------------------------------------------- */

const int MAXN = 1e6 + 10;
const int MAXM = 3e7 + 10;

int T, n;
char str[MAXN];
int dp[MAXN];
int g[10][5];
int t[10];
int num[MAXM];

void Cal(int n, int cur) {
    int ans = INF;
    for (int a = 1; a <= 7; a++)
        for (int b = 1; b <= 7; b++) {
            int p[5] = {0, a, b, b, a};
            memset(g, 0x3f, sizeof g);
            g[0][0] = 0;
            for (int i = 0; i <= n; i++) {
                for (int j = 0; j <= 4; j++) {
                    g[i][j] = min({g[i][j],
                                i < 1 ? INF : g[i - 1][j] + 1, 
                                (j < 1 || i < 1) ? INF : g[i - 1][j - 1] + !(t[i] == p[j]), 
                                (j < 1) ? INF : g[i][j - 1] + 1});
                }
            }
            ans = min(ans, g[n][4]);
        }
    num[cur] = ans;
}
void dfs(int idx, int M, int cur) {
    if (idx == 7) return;
    for (int i = 1; i <= M + 1; i++) {
        t[idx + 1] = i;
        Cal(idx + 1, cur * 8 + t[idx + 1]);
        dfs(idx + 1, i == M + 1 ? M + 1 : M, cur * 8 + t[idx + 1]);
    }
}
int mp[30];
int get(int l, int r) {
    int idx = 0;
    int res = 0;
    for (int i = l; i <= r; i++) {
        if (mp[str[i] - 'a'] == 0) 
            mp[str[i] - 'a'] = ++idx;
        res = res * 8 + mp[str[i] - 'a'];
    }
    for (int i = l; i <= r; i++)
        mp[str[i] - 'a'] = 0;
    return res;
}

int main() {
#ifdef TanJI
    clock_t c1 = clock();
    freopen("D:\\Cpp\\1.in", "r", stdin);
    freopen("D:\\Cpp\\1.out", "w", stdout);
#endif
//--------------------------------------------
    dfs(0, 0, 0);
    scanf("%d", &T);
    while (T--) {
        scanf("%s", str + 1);
        int n = strlen(str + 1);
        for (int i = 1; i <= n; i++) dp[i] = INF;
        dp[0] = 0;
        for (int i = 0; i < n; i++) {
            for (int j = 1; j <= 7; j++) {
                int r = i + j;
                if (r > n) break;
                int cur = get(i + 1, r);
                dp[r] = min(dp[i] + num[cur], dp[r]);
            }
            dp[i + 1] = min({dp[i + 1], dp[i] + 1});
        }
        printf("%d\n", dp[n]);
    }
//--------------------------------------------    
#ifdef TanJI
    cerr << "Time Used:" << clock() - c1 << "ms" << endl;
#endif
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 729ms
memory: 8436kb

input:

11
a
hvusknygbjxrwidvexsqopbbouvukgpipagvpmravchjrswtthzrambhmueczcclgltvlbvjzwxcjvwtvnzmxakzrwklrhlrsymiraoyfwaakhjssdggbwadpduyuqidyviwsjfrdbwjvbrvgomwktpgvhbaoluhhdgvqotajhwihkrpnueuqahvaqkzodquklqagjmbccgpkiirxsqbnmwmimjvyrwvkknxbwcqifblbzgylgffpojvjvjyxueopjaenqobfyynfruhetamiryptcgemjlwhibbtaq...

output:

1
441151
441261
441604
203781
203409
203508
138252
138404
138479
304092

result:

ok 11 lines