Submission #1346661

#	Time	Username	Problem	Language	Result	Execution time	Memory
1346661		coderg300711	Asteroid Mining (CCO25_day1problem1)	C++20	0 / 25	1 ms	344 KiB

Main

#include "bits/stdc++.h"
using namespace std;
#define fi first
#define se second
#define mp make_pair
#define pii pair<int,int>
#define yes cout<<"YES\n"
#define no cout<<"NO\n"
#define pb push_back
#define sz(x) (int)(x).size()
#define rsz resize
#define ass assign
#define F(i,l,r) for(int i=(l);i<(r);++i)
typedef long long ll;
typedef unsigned long long ull;
typedef long double lld;
//template<typename T> using pqg = priority_queue<T, vector<T>, greater<T>>;
#define each(a,x) for(auto a:x)
#define FOR(i,a) for(int i=0;i<(a);i++)
#define ROF(i,a,b) for(int i=(b)-1;i>=(a);i--)
#define eb emplace_back
#define ft front()
#define V vector

#ifndef ONLINE_JUDGE
#define debug(x) cerr << #x <<" "; _print(x); cerr << endl;
#else
#define debug(x)
#endif

void _print(ll t) {cerr << t;}
void _print(int t) {cerr << t;}
void _print(string t) {cerr << t;}
void _print(char t) {cerr << t;}
void _print(lld t) {cerr << t;}
void _print(double t) {cerr << t;}
void _print(ull t) {cerr << t;}

template <class T, class V> void _print(pair <T, V> p);
template <class T> void _print(vector <T> v);
template <class T> void _print(set <T> v);
template <class T, class V> void _print(map <T, V> v);
template <class T> void _print(multiset <T> v);
template <class T, class V> void _print(pair <T, V> p) {cerr << "{"; _print(p.ff); cerr << ","; _print(p.ss); cerr << "}";}
template <class T> void _print(vector <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T> void _print(set <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T> void _print(multiset <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T, class V> void _print(map <T, V> v) {cerr << "[ "; for (auto i : v) {_print(i); cerr << " ";} cerr << "]";}

//const int mod=1e9+7;
 
void solve(){
ll n,m;
cin>>n>>m;
V<ll> v(n),w(n);
FOR(i,n)cin>>v[i]>>w[i];
V<ll> dp(m+1,0);
FOR(i,n){
  ROF(j,w[i],m+1){
    dp[j]=max(dp[j],dp[j-w[i]]+v[i]);
  }
}
ll res=0;
FOR(i,m+1)res=max(res,dp[i]);
cout<<res<<'\n';
}

signed main(){
    ios_base::sync_with_stdio(0);cin.tie(nullptr);
    #ifndef ONLINE_JUDGE
      freopen("output.txt", "w", stdout);
      freopen("input.txt", "r", stdin);
      freopen("Error.txt", "w", stderr);
    #endif
        
    int tt=1;
   // cin>>tt;
    while(tt--)solve();

    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:71:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   71 |       freopen("output.txt", "w", stdout);
      |       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:72:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   72 |       freopen("input.txt", "r", stdin);
      |       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:73:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   73 |       freopen("Error.txt", "w", stderr);
      |       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 0
• Subtask 2: 0 / 2
• Subtask 3: 0 / 2
• Subtask 4: 0 / 4
• Subtask 5: 0 / 6
• Subtask 6: 0 / 2
• Subtask 7: 0 / 3
• Subtask 8: 0 / 6