제출 #746083

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
746083	2023-05-21 11:33:56	JakobZorz	Connecting Supertrees (IOI20_supertrees)	C++14	56 / 100	230 ms	28076 KiB

supertrees

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#include "supertrees.h"
#include <vector>
using namespace std;
vector<vector<int>> answer;
int group_ids[1000];
vector<int> groups[1000];
vector<vector<int>> p;
int num_groups;
void connect(int a, int b){
    answer[a][b]=1;
    answer[b][a]=1;
}
void connect_group(int group_id){
    vector<int> group=groups[group_id];
    vector<bool> in_cycle(group.size(),false);
    vector<int> tree_ids(group.size(),-1);
    vector<int> trees[1000];
    
    int num_trees=0;
    for(int i=0;i<group.size();i++){
        if(tree_ids[i]!=-1)
            continue;
        tree_ids[i]=num_trees;
        trees[num_trees].push_back(i);
        for(int j=0;j<group.size();j++){
            if(i!=j&&p[group[i]][group[j]]==1){
                tree_ids[j]=num_trees;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

supertrees.cpp: In function 'void connect_group(int)':
supertrees.cpp:23:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for(int i=0;i<group.size();i++){
      |                 ~^~~~~~~~~~~~~
supertrees.cpp:28:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |         for(int j=0;j<group.size();j++){
      |                     ~^~~~~~~~~~~~~
supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:78:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   78 |     for(int i=0;i<num_groups;i++)
      |     ^~~
supertrees.cpp:81:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   81 |  build(answer);
      |  ^~~~~

• Subtask 1: 11 / 11
• Subtask 2: 10 / 10
• Subtask 3: 0 / 19
• Subtask 4: 35 / 35
• Subtask 5: 0 / 21
• Subtask 6: 0 / 4