Submission #568895

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
568895	2022-05-26 10:12:56	tqbfjotld	Reconstruction Project (JOI22_reconstruction)	C++14	100 / 100	1106 ms	60184 KiB

reconstruction

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#include <bits/stdc++.h>
using namespace std;
set<pair<int,int> > mst[505];
int A[100005];
int B[100005];
int W[100005];
int find_min(int node, int dest, int pa){
    if (node==dest) return -1;
    for (auto x : mst[node]){
        if (x.first==pa) continue;
        int res = find_min(x.first,dest,node);
        if (res!=-2){
            if (res==-1) return x.second;
            if (W[res]<W[x.second]) return res;
            else return x.second;
        }
    }
    return -2;
}
int n;
vector<pair<int,int> > add,del;
const long long INF = 1000000010;
long long fenw[2][1300005];
void upd(int pos, int val, int id){
 
 
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Compilation message (stderr)

reconstruction.cpp: In function 'int main()':
reconstruction.cpp:109:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  109 |         while (i1<add.size() && x.first>add[i1].first){
      |                ~~^~~~~~~~~~~
reconstruction.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 |         while (i2<del.size() && x.first>del[i2].first){
      |                ~~^~~~~~~~~~~
reconstruction.cpp:60:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   60 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
reconstruction.cpp:62:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   62 |     scanf("%d",&m);
      |     ~~~~~^~~~~~~~~
reconstruction.cpp:66:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   66 |         scanf("%d%d%d",&a,&b,&c);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~
reconstruction.cpp:96:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   96 |     scanf("%d",&q);
      |     ~~~~~^~~~~~~~~
reconstruction.cpp:100:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  100 |         scanf("%d",&a);
      |         ~~~~~^~~~~~~~~

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