Submission #893032

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
893032	2023-12-26 11:42:36	alexander707070	Security Guard (JOI23_guard)	C++14	58 / 100	4035 ms	56236 KiB

guard

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#include<bits/stdc++.h>
#define MAXN 200007
using namespace std;
struct edge{
    int from,to,cost;
};
bool cmp(edge fr,edge sc){
    return fr.cost<sc.cost;
}
int n,m,q,a,b,s[MAXN],c,d;
vector<edge> w;
unordered_set<int> tree[MAXN];
long long ans;
int dsu[MAXN],sz[MAXN],maxs;
int root(int x){
    if(dsu[x]==x)return x;
    dsu[x]=root(dsu[x]);
    return dsu[x];
}
void mergev(int x,int y){
    int rootx=root(x);
    int rooty=root(y);
    if(sz[rooty]>sz[rootx])swap(rootx,rooty);
 
 
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Compilation message (stderr)

guard.cpp: In function 'int main()':
guard.cpp:74:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |     for(int i=0;i<w.size();i++){
      |                 ~^~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 13 / 13
• Subtask 3: 12 / 12
• Subtask 4: 13 / 13
• Subtask 5: 8 / 8
• Subtask 6: 0 / 18
• Subtask 7: 0 / 24