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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#358088 | #3173. Cakey McCakeFace | PetroTarnavskyi# | WA | 1ms | 3920kb | C++20 | 1.7kb | 2024-03-19 17:10:03 | 2024-03-19 17:10:04 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define RFOR(i, a, b) for(int i = (a) - 1; i >= (b); i--)
#define SZ(a) int(a.size())
#define ALL(a) a.begin(), a.end()
#define PB push_back
#define MP make_pair
#define F first
#define S second
typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PII;
typedef double db;
const int N = 10'474;
const int INF = 1e9 + 47;
vector<pair<int, PII>> g[N];
bool used[N];
int cost[N];
int pres[N];
int deg[N];
map<string, int> m;
int add(string s)
{
if (!m.count(s))
m[s] = SZ(m);
return m[s];
}
VI tps;
void dfs(int v)
{
used[v] = true;
for (auto [to, _] : g[v])
if (!used[to])
dfs(to);
tps.PB(v);
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
int b;
int n;
cin >> b >> n;
FOR (i, 0, n)
{
string s, t;
cin >> s >> t;
int u = add(s);
int v = add(t);
cin >> s;
int c, p;
cin >> c >> p;
g[v].PB({u, {c, p}});
deg[u]++;
}
FOR (i, 0, SZ(m))
{
if (!used[i])
dfs(i);
}
reverse(ALL(tps));
FOR (i, 0, SZ(m))
{
cost[i] = INF;
pres[i] = -INF;
}
for (auto v : tps)
{
if (deg[v] == 0)
{
cost[v] = 0;
pres[v] = 0;
}
for (auto [to, par] : g[v])
{
auto [c, p] = par;
if (cost[to] > cost[v] + c || (cost[to] == cost[v] + c && pres[to] < pres[v] + p))
{
cost[to] = cost[v] + c;
pres[to] = pres[v] + p;
}
}
}
VI dp(N, 0);
FOR (i, 0, SZ(m))
{
RFOR (j, N - cost[i], 0)
{
dp[j + cost[i]] = max(dp[j + cost[i]], dp[j] + pres[i]);
}
}
int idx = max_element(dp.begin(), dp.begin() + b + 1) - dp.begin();
cout << dp[idx] << '\n';
cout << idx << '\n';
return 0;
}
詳細信息
Test #1:
score: 0
Wrong Answer
time: 1ms
memory: 3920kb
input:
5 5 0 10 12 20 30 1 5 17 27 50
output:
0 0
result:
wrong answer 1st lines differ - expected: '5', found: '0'