Submission #1000564

#	Time	Username	Problem	Language	Result	Execution time	Memory
1000564		De3b0o	Reconstruction Project (JOI22_reconstruction)	C++14	7 / 100	2074 ms	49624 KiB

reconstruction

#include<bits/stdc++.h>
#define ll long long
#define F first
#define S second
#define in insert
#define pb push_back
#define ppb pop_back()
#define d3 ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define cans cout << ans << "\n";
#define yes cout << "Yes" << "\n";
#define no cout << "No" << "\n";
#define pll pair<ll,ll>
#define lin cout << "\n";
#define sqr 340
#define mod 1000000007
#define mid ((l+r)/2)
#define lc (2*x)
#define rc (2*x+1)

using namespace std;

ll n , m , q;
pll a[1000009];
ll fans[1000009];
vector<ll> ed[509];
ll idx[509];
ll ls[509];

int main()
{
    d3
    cin >> n >> m;
    for(int i = 0 ; m>i ; i++)
    {
        ll u , v , w;
        cin >> u >> v >> w;
        ed[u].pb(w);
    }
    for(int i = 1 ; n>=i ; i++)
    {
        ls[i]=1e18;
        sort(ed[i].begin(),ed[i].end());
        ed[i].pb(1e18);
    }
    cin >> q;
    for(int i = 0 ; q>i ; i++)
    {
        ll x;
        cin >> x;
        a[i].F=x;
        a[i].S=i;
    }
    sort(a,a+q);
    ll px = -1;
    for(int i = 0 ; q>i ; i++)
    {
        ll x = a[i].F;
        ll ans = 0;
        for(int j = 1 ; n>j ; j++)
        {
            int h = idx[j];
            ls[j]+=x-px;
            for(; ed[j].size()>h ; h++)
            {
                if(abs(ed[j][h]-x)>ls[j])
                    break;
                ls[j]=abs(ed[j][h]-x);
            }
            h--;
            idx[j]=h;
            ans+=ls[j];
        }
        fans[a[i].S]=ans;
        px=x;
    }
    for(int i = 0 ; q>i ; i++)
        cout << fans[i] << "\n";
}

Compilation message (stderr)

reconstruction.cpp: In function 'int main()':
reconstruction.cpp:63:31: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   63 |             for(; ed[j].size()>h ; h++)
      |                   ~~~~~~~~~~~~^~

• Subtask 1: 0 / 3
• Subtask 2: 0 / 4
• Subtask 3: 7 / 7
• Subtask 4: 0 / 28
• Subtask 5: 0 / 35
• Subtask 6: 0 / 23