Submission #1099187

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1099187	2024-10-10 17:11:26	MMihalev	Highway Tolls (IOI18_highway)	C++14	51 / 100	3068 ms	18948 KiB

highway

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#include "highway.h"
#include<iostream>
#include<algorithm>
#include<vector>
#include<queue>
using namespace std;
const int MAX_N=90005;
int q;
int n,m;
vector<int>w;
vector<pair<int,int> >g[MAX_N],G[MAX_N];
long long edges,cost;
int root;
int a,b;
int parent[MAX_N];
int paredge[MAX_N];
int depth[MAX_N];
vector<int>ENDS;
vector<pair<int,int>>nodes;
bool used[MAX_N];
bool usededge[130010];
void initbfs()
{
    queue<int>q;
    q.push(root);
    used[root]=1;
    while(q.size())
    {
        int u=q.front();
 
 
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Compilation message (stderr)

highway.cpp: In function 'void initbfs()':
highway.cpp:33:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   33 |         for(auto [v,edge]:G[u])
      |                  ^
highway.cpp: In function 'int onpath()':
highway.cpp:58:22: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   58 |             for(auto [v,edge]:G[u])
      |                      ^
highway.cpp:66:22: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   66 |             for(auto [v,edge]:G[u])
      |                      ^
highway.cpp: In function 'void nodesdfs(int)':
highway.cpp:84:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   84 |     for(auto [v,edge]:g[u])
      |              ^
highway.cpp: In function 'void solve(int, bool)':
highway.cpp:116:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  116 |     for(int i=0;i<g[root].size();i++)
      |                 ~^~~~~~~~~~~~~~~
highway.cpp: In function 'int onpath()':
highway.cpp:79:12: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   79 |     return ans;
      |            ^~~

• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 6 / 6
• Subtask 4: 33 / 33
• Subtask 5: 0 / 18
• Subtask 6: 0 / 31