Submission #541300

#	Time^UTC-0	Username	Problem	Language	Result	Execution time	Memory
541300	2022-03-23 01:04:59	eulerdesoja	Knapsack (NOI18_knapsack)	C++17	Compilation error	0 ms	0 KiB

This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.

knapsack

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#include <bits/stdc++.h>
using namespace std;
void setIO(string s) {
    ios_base::sync_with_stdio(0); cin.tie(0);cout.tie(0);
     freopen((s+ ".in").c_str(),"r",stdin);
    freopen((s+".out").c_str(),"w",stdout);
}
#define int long long
#define pb push_back
#define sz(x) (int)x.size()
#define endl "\n"
typedef pair<int,int>ii;
typedef vector<int> vi;
const int mxn = 2e3 + 5;
int dp[mxn][mxn], s, n;
vector<ii> p[mxn];
int cnt(int i, int cap) {
    if (i == s + 1 || cap == 0) return 0;
    int &ans = dp[i][cap];
    if (ans != -1)return ans;
    int w_sum = 0, v_sum = 0;
    ans = 0;
 
 
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Compilation message (stderr)

cc1plus: error: '::main' must return 'int'
knapsack.cpp: In function 'void setIO(std::string)':
knapsack.cpp:6:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |      freopen((s+ ".in").c_str(),"r",stdin);
      |      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
knapsack.cpp:7:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     freopen((s+".out").c_str(),"w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~