답안 #316748

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
316748 2020-10-27T19:28:29 Z ant101 조교 (CEOI16_popeala) C++14
0 / 100
90 ms 87824 KB
#include <iostream>
#include <algorithm>
#include <cstring>
#include <iomanip>
#include <fstream>
#include <cmath>
#include <vector>
#include <set>
#include <unordered_set>
#include <unordered_map>
#include <map>
#include <stack>
#include <queue>
#include <assert.h>
#include <limits>
#include <cstdio>
#include <complex>
using namespace std;
 
typedef long long ll;
typedef long double ld;
typedef double db;
typedef string str;
 
typedef pair<int, int> pi;
typedef pair<ll,ll> pl;
typedef pair<ld,ld> pd;
#define mp make_pair
#define f first
#define s second
 
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<ld> vd;
typedef vector<str> vs;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
typedef vector<pd> vpd;
 
#define sz(x) (int)x.size()
#define all(x) begin(x), end(x)
#define rall(x) (x).rbegin(), (x).rend()
#define rsz resize
#define ins insert
#define ft front()
#define bk back()
#define pf push_front
#define pb push_back
#define eb emplace_back
#define lb lower_bound
#define ub upper_bound
 
#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
#define R0F(i,a) ROF(i,0,a)
#define trav(a,x) for (auto& a: x)
 
const int MOD = 1e9+7; // 998244353; // = (119<<23)+1
const int MX = 2e5+5;
const ll INF = 1e18;
const ld PI = 4*atan((ld)1);
const int dx[4] = {0,1,0,-1}, dy[4] = {1,0,-1,0};
 
 
namespace io {
    void setIn(string s) { freopen(s.c_str(),"r",stdin); }
    void setOut(string s) { freopen(s.c_str(),"w",stdout); }
    void setIO(string s = "") {
        ios_base::sync_with_stdio(0); cin.tie(0); // fast I/O
        // cin.exceptions(cin.failbit); // ex. throws exception when you try to read letter into int
        if (sz(s)) {
            setIn(s+".in");
            setOut(s+".out");
        } // for USACO
    }
}
 
using namespace io;
 
namespace input {
    template<class T> void re(complex<T>& x);
    template<class T1, class T2> void re(pair<T1,T2>& p);
    template<class T> void re(vector<T>& a);
    template<class T, size_t SZ> void re(array<T,SZ>& a);
    
    template<class T> void re(T& x) { cin >> x; }
    void re(double& x) { string t; re(t); x = stod(t); }
    void re(ld& x) { string t; re(t); x = stold(t); }
    template<class Arg, class... Args> void re(Arg& first, Args&... rest) {
        re(first); re(rest...);
    }
    
    template<class T> void re(complex<T>& x) { T a,b; re(a,b); x = cd(a,b); }
    template<class T1, class T2> void re(pair<T1,T2>& p) { re(p.f,p.s); }
    template<class T> void re(vector<T>& a) { F0R(i,sz(a)) re(a[i]); }
    template<class T, size_t SZ> void re(array<T,SZ>& a) { F0R(i,SZ) re(a[i]); }
}
 
namespace output {
    template<class T1, class T2> void pr(const pair<T1,T2>& x);
    template<class T, size_t SZ> void pr(const array<T,SZ>& x);
    template<class T> void pr(const vector<T>& x);
    template<class T> void pr(const set<T>& x);
    template<class T1, class T2> void pr(const map<T1,T2>& x);
    
    template<class T> void pr(const T& x) { cout << x; }
    template<class Arg, class... Args> void pr(const Arg& first, const Args&... rest) {
        pr(first); pr(rest...);
    }
    
    template<class T1, class T2> void pr(const pair<T1,T2>& x) {
        pr("{",x.f,", ",x.s,"}");
    }
    template<class T> void prContain(const T& x) {
        pr("{");
        bool fst = 1; for (const auto& a: x) pr(!fst?", ":"",a), fst = 0; // const needed for vector<bool>
        pr("}");
    }
    template<class T, size_t SZ> void pr(const array<T,SZ>& x) { prContain(x); }
    template<class T> void pr(const vector<T>& x) { prContain(x); }
    template<class T> void pr(const set<T>& x) { prContain(x); }
    template<class T1, class T2> void pr(const map<T1,T2>& x) { prContain(x); }
    
    void ps() { pr("\n"); }
    template<class Arg> void ps(const Arg& first) {
        pr(first); ps(); // no space at end of line
    }
    template<class Arg, class... Args> void ps(const Arg& first, const Args&... rest) {
        pr(first," "); ps(rest...); // print w/ spaces
    }
}
 
using namespace output;
 
using namespace input;
 
ll add(ll a, ll b) {
    a += b;
    if(a >= MOD) {
        a -= MOD;
    }
    return a;
}
ll sub(ll a, ll b) {
    a -= b;
    if(a < 0) {
        a += MOD;
    }
    return a;
}
 
ll mul(ll a, ll b) {
    return (a * b)%MOD;
}
 
void add_self(ll& a, ll b) {
    a = add(a, b);
}
void sub_self(ll& a, ll b) {
    a = sub(a, b);
}
void mul_self(ll& a, ll b) {
    a = mul(a, b);
}

ll T, N, S;
ll points[MX];
ll pref[MX];
char grid[52][MX];
vector<ll> zeroes[MX];
ll dp[52][MX];

ll f(ll g, ll i) {
    if (g == 0) {
        if (i == 0) {
            return 0;
        } else {
            if (zeroes[i][0] == 0) {
                return 1e13;
            } else {
                return pref[i]*N;
            }
        }
    }
    if (i == 0) {
        return 1e13;
    }
    if (dp[g][i] != -1) {
        return dp[g][i];
    }
    dp[g][i] = 1e13;
    ll sub = 0;
    F0R (j, N+1) {
        if (zeroes[i][j] == 0) {
            continue;
        }
        ll nxt = zeroes[i][j+1]+1;
        if (nxt < g) {
            nxt = zeroes[i][j];
        }
        if (nxt < g) {
            break;
        } else {
            nxt = max(g, zeroes[i][j+1]+1);
        }
        sub++;
        dp[g][i] = min(dp[g][i], (pref[i]-pref[nxt-1])*(N-sub)+f(g-1, nxt-1));
    }
    if (i >= g) {
        dp[g][i] = min(dp[g][i], (pref[i]-pref[g-1])*N+f(g-1, g-1));
    }
//    ps(g, i, dp[g][i]);
    return dp[g][i];
}

int main() {
    setIO();
    re(N, T, S);
    ll currsum = 0;
    FOR (i, 1, T+1) {
        ll a;
        re(a);
        currsum+=a;
        points[i] = a;
        pref[i] = currsum;
    }
//    F0R (i, T+1) {
//        vector<ll> currz(N+1, 1e13);
//        zeroes[i] = currz;
//    }
    FOR (i, 1, N+1) {
        FOR (j, 1, T+1) {
            re(grid[i][j]);
        }
    }
    vector<ll> currz(N+1, 0);
    FOR (j, 1, T+1) {
        FOR (i, 1, N+1) {
            if (grid[i][j] == '0') {
                currz[i] = j;
            }
        }
        zeroes[j] = currz;
    }
    FOR (i, 1, T+1) {
        sort(zeroes[i].begin(), zeroes[i].end(), greater<ll>());
    }
    memset(dp, -1, sizeof(dp));
    FOR (i, 1, S+1) {
        ps(f(i, T));
    }
}

Compilation message

popeala.cpp: In function 'void io::setIn(std::string)':
popeala.cpp:67:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   67 |     void setIn(string s) { freopen(s.c_str(),"r",stdin); }
      |                            ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
popeala.cpp: In function 'void io::setOut(std::string)':
popeala.cpp:68:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   68 |     void setOut(string s) { freopen(s.c_str(),"w",stdout); }
      |                             ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 86392 KB Output is correct
2 Incorrect 47 ms 86648 KB Output isn't correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 55 ms 86904 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 90 ms 87824 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 86392 KB Output is correct
2 Incorrect 47 ms 86648 KB Output isn't correct