Submission #1102273

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1102273	2024-10-18T01:36:53 Z	ro9669	Nile (IOI24_nile)	C++17	Compilation error	0 ms	0 KB

nile

#include <bits/stdc++.h>
#define fi first
#define se second
#define all(v) v.begin() , v.end()
#define sz(v) int(v.size())
#define unq(v) sort(all(v)); v.resize(unique(all(v)) - v.begin());
#include "nile.h"
using namespace std;

typedef long long ll;
typedef pair<int , int> ii;
typedef pair<long long , int> lli;

const int maxN = int(2e5)+7;

int n , q;
vector<int> w , a , b , e , id;

namespace sub1{
    bool check(){
        return n <= 2000;
    }

    vector<ll> res;
    ll dp[2007];

    vector<ll> calc(){
        sort(all(id) , [](int x , int y){
            return w[x] < w[y];
        });
        for (int d : e){
            dp[0] = 0;
            for (int i = 0 ; i < n ; i++){
                ll s = 0;
                int x = INT_MAX;
                dp[i + 1] = ll(1e18);
                for (int j = i ; j >= 0 ; j--){
                    s += b[id[j]];
                    x = min(x , a[id[j]] - b[id[j]]);
                    if (w[id[i]] - w[id[j]] <= d){
                        if ((i - j)&1){
                            dp[i + 1] = min(dp[i + 1] , dp[j] + s);
                        }
                        else{
                            dp[i + 1] = min(dp[i + 1] , dp[j] + s + 1ll * x);
                        }
                    }
                    else{
                        break;
                    }
                }
            }
            res.push_back(dp[n]);
        }
        return res;
    }
}

vector<long long> calculate_costs(vector<int> W , vector<int> A , vector<int> B , vector<int> E){
    if (sub1::check()) return sub1::calc();
}

void solve(){
    cin >> n;
    w.resize(n);
    a.resize(n);
    b.resize(n);
    id.resize(n);
    for (int i = 0 ; i < n ; i++){
        cin >> w[i] >> a[i] >> b[i];
        id[i] = i;
    }
    cin >> q;
    e.resize(q);
    for (int i = 0 ; i < q ; i++){
        cin >> e[i];
    }
    vector<ll> res = calculate_costs(w , a , b, e);
    for (auto x : res) cout << x << "\n";
}

#define name "A"

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    if (fopen(name".INP" , "r")){
        freopen(name".INP" , "r" , stdin);
        freopen(name".OUT" , "w" , stdout);
    }
    int t = 1; //cin >> t;
    while (t--) solve();
    return 0;
}

Compilation message

nile.cpp: In function 'std::vector<long long int> calculate_costs(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
nile.cpp:61:1: warning: control reaches end of non-void function [-Wreturn-type]
   61 | }
      | ^
nile.cpp: In function 'int main()':
nile.cpp:87:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   87 |         freopen(name".INP" , "r" , stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
nile.cpp:88:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   88 |         freopen(name".OUT" , "w" , stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccx0htbT.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccQ6nt7Q.o:nile.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status