Submission #884467

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
884467	2023-12-07 12:19:43	cabbit	Knapsack (NOI18_knapsack)	C++14	100 / 100	105 ms	8784 KiB

knapsack

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#include <bits/stdc++.h>
#define int long long
#define fi first
#define se second
#define sz(v) (int)(v).size()
using namespace std;
const int MXn = 100005, MXs = 2e3 + 6;
const long long oo = 1e18;
int S, N;
vector<int> obj[MXs];
int dp[MXs];
signed main(void) {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr); cout.tie(nullptr);
    
    #define TASK "KNAPSACK"
    if (ifstream(TASK".INP")) {
      freopen(TASK".INP", "r", stdin);
      freopen(TASK".OUT", "w", stdout);
    }
    
    cin >> S >> N;
    for (int i = 1, v, w, k; i <= N; i++) {
      cin >> v >> w >> k;
      k = min(k, S / w);
      int tmp = 0;
      for (int t = 0; ; t++) {
 
 
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Compilation message (stderr)

knapsack.cpp: In function 'int main()':
knapsack.cpp:21:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |      freopen(TASK".INP", "r", stdin);
      |      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
knapsack.cpp:22:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |      freopen(TASK".OUT", "w", stdout);
      |      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 17 / 17
• Subtask 3: 20 / 20
• Subtask 4: 24 / 24
• Subtask 5: 27 / 27