이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#undef _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define int long long
#define pb push_back
#define fi first
#define si second
#define ar array
typedef pair<int,int> pi;
typedef tuple<int,int,int> ti;
void debug_out() {cerr<<endl;}
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {cerr<<" "<<to_string(H);debug_out(T...);}
#define debug(...) cerr<<"["<<#__VA_ARGS__<<"]:",debug_out(__VA_ARGS__)
struct event {
int c, f, v, flag;
} items[5010];
const int INF = 1e18, lim = 100010;
int N, M, st, ans = 0;
int dp[100010];
signed main() {
cin >> N;
for (int i = 1; i <= N; ++i) {
cin >> items[i].c >> items[i].f >> items[i].v;
items[i].flag = 1;
}
cin >> M;
for (int i = N + 1; i <= N + M; ++i) {
cin >> items[i].c >> items[i].f >> items[i].v;
items[i].flag = 0;
}
sort(items + 1, items + 1 + N + M, [](event a, event b) {
if (a.f == b.f) return a.flag > b.flag;
return a.f > b.f;
});
for (int i = 0; i <= lim; ++i) dp[i] = -INF;
dp[0] = 0;
for (int i = 1; i <= N + M; ++i) {
if (items[i].flag) {
for (int j = lim - 1; j >= 0; --j) {
int index = j + items[i].c;
int profit = dp[j] - items[i].v;
if (index < lim) dp[index] = max(dp[index], profit);
}
} else {
for (int j = 0; j < lim; ++j) {
int index = j - items[i].c;
int profit = dp[j] + items[i].v;
if (index >= 0 && dp[j] != -INF) dp[index] = max(dp[index], profit);
}
}
} // push dp
for (int i = 0; i < lim; ++i) ans = max(ans, dp[i]);
cout << ans;
return 0;
}
컴파일 시 표준 에러 (stderr) 메시지
clo.cpp: In function 'int main()':
clo.cpp:40:42: warning: iteration 100010 invokes undefined behavior [-Waggressive-loop-optimizations]
40 | for (int i = 0; i <= lim; ++i) dp[i] = -INF;
| ~~~~~~^~~~~~
clo.cpp:40:23: note: within this loop
40 | for (int i = 0; i <= lim; ++i) dp[i] = -INF;
| ~~^~~~~~
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |