제출 #1285427

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1285427		minhjulzi	Sličice (COCI19_slicice)	C++20	90 / 90	28 ms	1344 KiB

slicice

#include <bits/stdc++.h>
using namespace std;

#define task "task"
#define bit(x, i) ((x >> i) & 1)

// https://trap.jp/post/1224/
#define FOR1(i, a, b) for(int i = (a), _b = (b); i <= _b; i ++)
#define FOR2(i, a, b, c) for(int i = (a), _b = (b); i <= _b; i += c)
#define FORD1(i, a, b) for(int i = (a), _b = (b); i >= _b; i --)
#define FORD2(i, a, b, c) for(int i = (a), _b = (b); i >= _b; i -= c)
#define overload4(a, b, c, d, name, ...) name
#define FOR(...) overload4(__VA_ARGS__, FOR2, FOR1)(__VA_ARGS__)
#define FORD(...) overload4(__VA_ARGS__, FORD2, FORD1)(__VA_ARGS__)

#define pb emplace_back
#define pf emplace_front
#define ins emplace
#define mp make_pair
#define fi first
#define se second

using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using vi = vector<int>;
using vl = vector<ll>;
// mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
// ll rand(ll l, ll r) { assert(l <= r); return uniform_int_distribution<ll>(l, r)(rd); }
const int N = 505;
const ll inf = 1e18;
const int mod = 1e9 + 7;
const int base = 31;
int n, m, k, p[N], b[N], dp[N][N];
/*
dp[i][j] duyệt đến thằng i và đã chọn thêm j thẻ đạt điểm tối đa
dp[i][j] = dp[i - 1][i - t] + b[p[i] + t]
*/
void solve(){
    cin>>n>>m>>k;
    FOR(i, 1, n) cin>>p[i];
    FOR(i, 0, m) cin>>b[i];
    FOR(i, 1, n)
        FOR(j, 0, k){
            dp[i][j] = dp[i - 1][j];
            FOR(t, 0, min(j, m - p[i])) dp[i][j] = max(dp[i][j], dp[i - 1][j - t] + b[p[i] + t]);
        }
    cout<<dp[n][k];
}
signed main(){
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    if(fopen(task".inp", "r")){
        freopen(task".inp", "r", stdin);
        freopen(task".out", "w", stdout);
    }
    int nTest = 1;
    // cin>>nTest;
    while(nTest --) solve();
    cerr << "\nTime: " << 1.0 * clock() / CLOCKS_PER_SEC << "s\n";
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

slicice.cpp: In function 'int main()':
slicice.cpp:54:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |         freopen(task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
slicice.cpp:55:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |         freopen(task".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 90 / 90