Submission #205698

#	Time	Username	Problem	Language	Result	Execution time	Memory
205698		dolphingarlic	Cloud Computing (CEOI18_clo)	C++14	0 / 100	15 ms	1916 KiB

clo

#include <bits/stdc++.h>
#define FOR(i, x, y) for (int i = x; i < y; i++)
typedef long long ll;
using namespace std;

struct Object {
    int c;
    ll f, v;
    bool operator<(Object B) { return f > B.f; }
} objects[4001];

ostream& operator<<(ostream& cout, Object X) { return cout << X.c << ' ' << X.f << ' ' << X.v; }

ll dp[2][100001];

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, m;
    cin >> n;
    FOR(i, 0, n) {
        cin >> objects[i].c >> objects[i].f >> objects[i].v;
        objects[i].v *= -1;
    }
    cin >> m;
    FOR(i, n, n + m) {
        cin >> objects[i].c >> objects[i].f >> objects[i].v;
        objects[i].c *= -1;
    }
    sort(objects, objects + n + m);

    FOR(i, 0, 2) FOR(j, 0, 100001) dp[i][j] = LLONG_MIN / 2;
    dp[1][0] = 0;
    int mx = 0;
    FOR(i, 0, n + m) {
        FOR(j, 0, mx + 1 + objects[i].c) {
            if (j >= objects[i].c)
                dp[i & 1][j] = max(dp[1 - i & 1][j], dp[1 - i & 1][j - objects[i].c] + objects[i].v);
            else dp[i & 1][j] = dp[1 - i & 1][j];
        }
        mx += max(0, objects[i].c);
        FOR(j, 0, mx + 1) dp[1 - i & 1][j] = LLONG_MIN / 2;
    }

    cout << *max_element(dp[1 - (n + m) & 1], dp[1 - (n + m) & 1] + mx + 1);
    return 0;
}

Compilation message (stderr)

clo.cpp: In function 'int main()':
clo.cpp:38:41: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
                 dp[i & 1][j] = max(dp[1 - i & 1][j], dp[1 - i & 1][j - objects[i].c] + objects[i].v);
                                       ~~^~~
clo.cpp:38:59: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
                 dp[i & 1][j] = max(dp[1 - i & 1][j], dp[1 - i & 1][j - objects[i].c] + objects[i].v);
                                                         ~~^~~
clo.cpp:39:38: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
             else dp[i & 1][j] = dp[1 - i & 1][j];
                                    ~~^~~
clo.cpp:42:32: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
         FOR(j, 0, mx + 1) dp[1 - i & 1][j] = LLONG_MIN / 2;
                              ~~^~~
clo.cpp:45:31: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
     cout << *max_element(dp[1 - (n + m) & 1], dp[1 - (n + m) & 1] + mx + 1);
                             ~~^~~~~~~~~
clo.cpp:45:52: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
     cout << *max_element(dp[1 - (n + m) & 1], dp[1 - (n + m) & 1] + mx + 1);
                                                  ~~^~~~~~~~~

• Subtask 1: 0 / 18
• Subtask 2: 0 / 18
• Subtask 3: 0 / 18
• Subtask 4: 0 / 18
• Subtask 5: 0 / 18
• Subtask 6: 0 / 10