Submission #335393

#	Time	Username	Problem	Language	Result	Execution time	Memory
335393		parsabahrami	Cloud Computing (CEOI18_clo)	C++17	100 / 100	306 ms	8428 KiB

clo

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

typedef long long int ll;
typedef pair<int, int> pii;
 
#define SZ(x)                       (int) x.size()
#define F                           first
#define S                           second

const int N = 1e6 + 10, MOD = 1e9 + 7;
ll n, m, k, dp[N], sum = 0; pair<int, pii> A[N];

int main() {
    scanf("%lld", &n);
    for (int i = 1; i <= n; i++) {
        int c, f, v; scanf("%d%d%d", &c, &f, &v);
        A[i] = {f, {c, v}};
    }
    scanf("%lld", &m);
    for (int i = 1; i <= m; i++) {
        int c, f, v; scanf("%d%d%d", &c, &f, &v);
        A[i + n] = {f, {-c, v}};
    }
    sort(A + 1, A + n + m + 1);
    fill(dp + 1, dp + N, -1e18);
    for (int i = n + m; i >= 1; i--) {
        pii X = A[i].S; int c = abs(X.F), v = X.S;
        if (X.F > 0) {
            for (int j = sum; j >= 0; j--) {
                dp[j + c] = max(dp[j + c], dp[j] - v);
            }
            sum += c;
        } else {
            for (int j = c; j <= sum; j++) {
                dp[j - c] = max(dp[j - c], dp[j] + v);
            }
        }
    }
    printf("%lld\n", *max_element(dp, dp + N));
    return 0;
}

Compilation message (stderr)

clo.cpp: In function 'int main()':
clo.cpp:16:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   16 |     scanf("%lld", &n);
      |     ~~~~~^~~~~~~~~~~~
clo.cpp:18:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   18 |         int c, f, v; scanf("%d%d%d", &c, &f, &v);
      |                      ~~~~~^~~~~~~~~~~~~~~~~~~~~~
clo.cpp:21:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   21 |     scanf("%lld", &m);
      |     ~~~~~^~~~~~~~~~~~
clo.cpp:23:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   23 |         int c, f, v; scanf("%d%d%d", &c, &f, &v);
      |                      ~~~~~^~~~~~~~~~~~~~~~~~~~~~

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