oj.uz

Submission #694025

# Submission time Handle Problem Language Result Execution time Memory
694025 2023-02-03T15:11:15 Z 4EVER Sightseeing in Kyoto (JOI22_kyoto) C++11
10 / 100
 10 ms 8364 KB 
#include <bits/stdc++.h>

using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

#define PB push_back
#define ALL(i_) i_.begin(), i_.end()
#define LOG2(x_) (31 - __builtin_clz(x_))
#define getBit(x_, i_) ((x_ >> i_) & (ll) 1)
#define rd(l_, r_) (l_ + rng() % (r_ - l_ + 1))
#define FOR(i_, a_, b_)  for(int i_ = (int) (a_); i_ <= (int) (b_); ++i_)
#define FORD(i_, a_, b_) for(int i_ = (int) (a_); i_ >= (int) (b_); --i_)

void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifndef DEBUG
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif

typedef long long ll;
typedef long double ld;

template<class X, class Y> bool minimize(X &x, const Y &y){
    X eps = 1e-9;
    if (x > y + eps) {
        x = y;
        return 1;
    }
    return 0;
}

template<class X, class Y> bool maximize(X &x, const Y &y) {
    X eps = 1e-9;
    if (x + eps < y) {
        x = y;
        return 1;
    }
    return 0;
}

template<class T> T Abs(const T &x) { return (x < 0 ? -x : x); }
template<class T> using heap_min = priority_queue<T, vector<T>, greater<T>>;
template<class T> using heap_max = priority_queue<T>;

// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
// typedef tree<pair<int, int>, null_type, less<pair<int, int>>, rb_tree_tag, tree_order_statistics_node_update> OST;

const int mod = (int) 1e9 + 7; // 998244353
const int oo = (int) 1e9 + 99;
const array<int, 2> dxy8[] = { {-1, 0}, {1, 0}, {0, 1}, {0, -1}, {1, -1}, {1, 1}, {-1, 1}, {-1, -1} };
const array<int, 2> dxy4[] = { {-1, 0}, {1, 0}, {0, 1}, {0, -1} };

const int maxn = (int) 1e3 + 11;
const int LOG = (int) LOG2(maxn) + 3;

void File(){
    #define TASK "KYOTO"
    if(fopen(TASK".inp", "r")) {
        freopen(TASK".inp", "r", stdin);
        freopen(TASK".out", "w", stdout);
    }
}

int n, m;
int a[maxn], b[maxn];

void ReadInput(){
    cin >> n >> m;
    FOR(i, 1, n) cin >> a[i];
    FOR(i, 1, m) cin >> b[i];
}

ll dp[maxn][maxn];

void Solve(){
    memset(dp, 0x3f, sizeof dp);
    dp[1][1] = 0;
    FOR(i, 1, n) FOR(j, 1, m){
        if(i - 1 >= 1) minimize(dp[i][j], dp[i - 1][j] + (ll) b[j]);
        if(j - 1 >= 1) minimize(dp[i][j], dp[i][j - 1] + (ll) a[i]);
    }
    cout << dp[n][m];
}

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    File();
    ReadInput();
    Solve();
    cerr << "\nTime elapsed: " << 1000.0 * clock() / CLOCKS_PER_SEC << " ms.\n";
    return 0;
}

Compilation message

kyoto.cpp: In function 'void File()':
kyoto.cpp:82:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   82 |         freopen(TASK".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
kyoto.cpp:83:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   83 |         freopen(TASK".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8276 KB Output is correct
2 Correct 3 ms 8276 KB Output is correct
3 Correct 4 ms 8280 KB Output is correct
4 Correct 5 ms 8276 KB Output is correct
5 Correct 4 ms 8276 KB Output is correct
6 Correct 4 ms 8276 KB Output is correct
7 Correct 3 ms 8276 KB Output is correct
8 Correct 3 ms 8280 KB Output is correct
9 Correct 8 ms 8356 KB Output is correct
10 Correct 7 ms 8276 KB Output is correct
11 Correct 10 ms 8364 KB Output is correct
12 Correct 7 ms 8288 KB Output is correct
13 Correct 6 ms 8292 KB Output is correct
14 Correct 7 ms 8276 KB Output is correct
15 Correct 8 ms 8276 KB Output is correct
16 Correct 8 ms 8276 KB Output is correct
17 Correct 6 ms 8304 KB Output is correct
18 Correct 4 ms 8276 KB Output is correct
19 Correct 4 ms 8276 KB Output is correct
20 Correct 4 ms 8276 KB Output is correct
21 Correct 3 ms 8276 KB Output is correct
22 Correct 3 ms 8276 KB Output is correct
23 Correct 3 ms 8272 KB Output is correct
24 Correct 3 ms 8276 KB Output is correct
25 Correct 4 ms 8276 KB Output is correct
26 Correct 5 ms 8276 KB Output is correct
27 Correct 3 ms 8276 KB Output is correct
28 Correct 3 ms 8276 KB Output is correct

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8276 KB Output is correct
2 Correct 4 ms 8284 KB Output is correct
3 Incorrect 4 ms 8276 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8276 KB Output is correct
2 Correct 3 ms 8276 KB Output is correct
3 Correct 4 ms 8280 KB Output is correct
4 Correct 5 ms 8276 KB Output is correct
5 Correct 4 ms 8276 KB Output is correct
6 Correct 4 ms 8276 KB Output is correct
7 Correct 3 ms 8276 KB Output is correct
8 Correct 3 ms 8280 KB Output is correct
9 Correct 8 ms 8356 KB Output is correct
10 Correct 7 ms 8276 KB Output is correct
11 Correct 10 ms 8364 KB Output is correct
12 Correct 7 ms 8288 KB Output is correct
13 Correct 6 ms 8292 KB Output is correct
14 Correct 7 ms 8276 KB Output is correct
15 Correct 8 ms 8276 KB Output is correct
16 Correct 8 ms 8276 KB Output is correct
17 Correct 6 ms 8304 KB Output is correct
18 Correct 4 ms 8276 KB Output is correct
19 Correct 4 ms 8276 KB Output is correct
20 Correct 4 ms 8276 KB Output is correct
21 Correct 3 ms 8276 KB Output is correct
22 Correct 3 ms 8276 KB Output is correct
23 Correct 3 ms 8272 KB Output is correct
24 Correct 3 ms 8276 KB Output is correct
25 Correct 4 ms 8276 KB Output is correct
26 Correct 5 ms 8276 KB Output is correct
27 Correct 3 ms 8276 KB Output is correct
28 Correct 3 ms 8276 KB Output is correct
29 Correct 4 ms 8276 KB Output is correct
30 Correct 4 ms 8284 KB Output is correct
31 Incorrect 4 ms 8276 KB Output isn't correct
32 Halted 0 ms 0 KB -