Submission #94869

#	Time	Username	Problem	Language	Result	Execution time	Memory
94869		karma	Journey (NOI18_journey)	C++11	100 / 100	168 ms	20888 KiB

journey

#include<bits/stdc++.h>
#define For(i, a, b)  for(int i = a, _b = b; i <= _b; ++i)
#define Ford(i, a, b) for(int i = a, _b = b; i >= _b; --i)
#define FileName      "test"
#define ll            long long
#define ld            long double
#define ull           unsigned long long
#define Print(x)      cerr << #x << "is " << x << '\n';
#define pb            push_back
#define X             first
#define Y             second
//#define Karma

using namespace std;

template<typename T> inline void Cin(T &x)
{
    char c;
    T sign = 1;
    x = 0;
    for (c = getchar(); c < '0' || c > '9'; c = getchar())
        if (c == '-') sign = -1;
    for (; c >= '0' && c <= '9'; c = getchar())
        x = x * 10 + c - '0';
    x *= sign;
}
template <typename T> inline void Out(T x) {if(x > 9) Out(x / 10); putchar(x % 10 + '0');}
template <typename T> inline void Cout(T x, char c) {if(x < 0) putchar('-'); x = abs(x); Out(x); putchar(c);}
template <typename T, typename... Args> inline void Cin(T& a, Args&... args) {Cin(a);Cin(args...);}
template <typename T, typename... Args> inline void Cout(T a, char c, Args... args) {Cout(a, c);Cout(args...);}

typedef pair<int, int> pii;
typedef pair<ll, int> plli;
const int N = 1e4 + 7;
const int M = 407;
const int inf = int(5e8) + 1;

int n, m, h, v, k, f[N][M];
vector<pii> a[N];

void Enter()
{
     Cin(n, m, h);
     for(int i = 0, lim = n - 1; i < lim; ++i) {
        for(int j = 0; j < h; ++j) {
            Cin(v, k);
            a[i].emplace_back(v, k);
        }
     }
     f[0][0] = 1;
     for(int i = 0; i < m; ++i) {
        for(int j = 0, lim = n - 1; j < lim; ++j) {
            if(i) f[j][i] = min(inf, f[j][i] + f[j][i - 1]);
            for(pii p: a[j]) {
                int NextDay = p.Y + i, NextCity = p.X;
                if(NextDay < m && NextCity > j && f[NextCity][NextDay] < inf) f[NextCity][NextDay] = min(inf, f[NextCity][NextDay] + f[j][i]);
            }
        }
        cout << f[n - 1][i] << ' ';
     }
}

void Solve()
{

}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
#ifdef Karma
    freopen(FileName".inp", "r", stdin);
    freopen(FileName".out", "w", stdout);
#endif // Karma

    Enter();
    Solve();

    return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 23 / 23
• Subtask 3: 26 / 26
• Subtask 4: 31 / 31