Submission #1061153

#	Time	Username	Problem	Language	Result	Execution time	Memory
1061153		12345678	Reconstruction Project (JOI22_reconstruction)	C++17	7 / 100	1452 ms	28496 KiB

reconstruction

#include <bits/stdc++.h>

using namespace std;

#define ll long long
#pragma gcc-optimize("o3, unroll-loops")

const int nx=5e2+5, mx=1e5+5;

ll n, m, a[mx], b[mx], w[mx], x, q, idx[nx];
vector<ll> dp[nx];

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>m;
    for (int i=1; i<=m; i++) cin>>a[i]>>b[i]>>w[i], dp[a[i]].push_back(w[i]);
    for (int i=1; i<n; i++) sort(dp[i].begin(), dp[i].end()); 
    for (int i=1; i<n; i++) dp[i].push_back(1e18);
    cin>>q;
    while (q--)
    {
        cin>>x;
        ll res=0;
        for (int i=1; i<n; i++) while (idx[i]!=dp[i].size()&&x>=dp[i][idx[i]]) idx[i]++;
        for (int i=1; i<n; i++)
        {
            ll tmp=dp[i][idx[i]]-x;
            if (idx[i]!=0) tmp=min(tmp, x-dp[i][idx[i]-1]);
            res+=tmp;
        }
        cout<<res<<'\n';
    }
}

Compilation message (stderr)

reconstruction.cpp:6: warning: ignoring '#pragma gcc ' [-Wunknown-pragmas]
    6 | #pragma gcc-optimize("o3, unroll-loops")
      | 
reconstruction.cpp: In function 'int main()':
reconstruction.cpp:25:46: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |         for (int i=1; i<n; i++) while (idx[i]!=dp[i].size()&&x>=dp[i][idx[i]]) idx[i]++;
      |                                        ~~~~~~^~~~~~~~~~~~~~

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