Submission #914294

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
9142942024-01-21 14:40:04May27_thKnapsack (NOI18_knapsack)C++17
12 / 100
11 ms47836 KiB
#include <bits/stdc++.h>
#define int64_t long long
#define double long double
using namespace std;
using type = int64_t;
const long long mod = 998244353, inf = 1e18;
const int base = 33;
const int N = 2e5 + 10;
const int LG = 20;
int dx[] = {1, -1, 0, 0};
int dy[] = {0, 0, 1, -1};
void Minimize(int64_t &a, int64_t b) {if(b < a) a = b;}
void Maximize(int64_t &a, int64_t b) {if(b > a) a = b;}
void Add(int64_t& a, int64_t b) {a = a + b; a %= mod;}
void Dec(int64_t& a, int64_t b) {a = a - b + mod; a %= mod;}
int S, n; vector<pair<int64_t, int64_t>>items[3000]; int64_t f[3000][3000];
void Solve(void)
{
/**
item: v, w, k;
sort theo weight: 1 <= w <= S
voi moi weight chon toi da S/w thang gia tri nhat
f[i][j] la dung den cac thg weight i va dang co space j
f[i][j] = f[i - 1][j - w * t] + v * t;
**/
cin >> S >> n;
for(int i = 1; i <= n; i ++){
 
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Compilation message (stderr)

knapsack.cpp: In function 'int main()':
knapsack.cpp:65:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   65 |         freopen("time.in", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
knapsack.cpp:66:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   66 |         freopen("time.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
knapsack.cpp:69:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |         freopen("A.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
knapsack.cpp:70:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   70 |         freopen("A.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
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