Submission #1102284

#	Time	Username	Problem	Language	Result	Execution time	Memory
1102284		ro9669	Nile (IOI24_nile)	C++17	Compilation error	0 ms	0 KiB

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;

ll dp[maxN];
vector<int> id;
vector<ll> res;

vector<long long> calculate_costs(vector<int> w , vector<int> a , vector<int> b , vector<int> e){
    int n = sz(w);
    id.resize(n);
    for (int i = 0 ; i < n ; i++) id[i] = i;
    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;
}

Compilation message (stderr)

nile.cpp: In lambda function:
nile.cpp:25:17: error: 'w' is not captured
   25 |          return w[x] < w[y];
      |                 ^
nile.cpp:24:21: note: the lambda has no capture-default
   24 |     sort(all(id) , [](int x , int y){
      |                     ^
nile.cpp:20:47: note: 'std::vector<int> w' declared here
   20 | vector<long long> calculate_costs(vector<int> w , vector<int> a , vector<int> b , vector<int> e){
      |                                   ~~~~~~~~~~~~^
nile.cpp:25:24: error: 'w' is not captured
   25 |          return w[x] < w[y];
      |                        ^
nile.cpp:24:21: note: the lambda has no capture-default
   24 |     sort(all(id) , [](int x , int y){
      |                     ^
nile.cpp:20:47: note: 'std::vector<int> w' declared here
   20 | vector<long long> calculate_costs(vector<int> w , vector<int> a , vector<int> b , vector<int> e){
      |                                   ~~~~~~~~~~~~^