Submission #290728

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
290728	2020-09-04 11:31:55	TadijaSebez	Swapping Cities (APIO20_swap)	C++11	100 / 100	449 ms	26604 KiB

swap

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "swap.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
const int N=100050;
const int inf=1e9+7;
int myc[N],dst[N],tme[N],deg[N];
vector<int> cmp[N],my[N];
void mrg(int u,int v,int w){
  deg[u]++;deg[v]++;
  if(myc[u]==myc[v]){
    int c=myc[u];
    tme[c]=min(tme[c],w);
  }else{
    int c1=myc[u],c2=myc[v];
    if(cmp[c1].size()>cmp[c2].size())swap(c1,c2);
    tme[c2]=min(tme[c2],max(tme[c1],w));
    dst[c1]=w;
    if(deg[u]>2||deg[v]>2)tme[c2]=min(tme[c2],w);
    for(int i:cmp[c1]){
      myc[i]=c2;
      my[i].pb(c2);
      cmp[c2].pb(i);
    }
    cmp[c1].clear();
  }
}
void init(int n,int m,vector<int> u,vector<int> v,vector<int> w){
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

swap.cpp: In function 'int getMinimumFuelCapacity(int, int)':
swap.cpp:48:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |  while(i<my[x].size()&&j<my[y].size()&&my[x][i]!=my[y][j]){
      |        ~^~~~~~~~~~~~~
swap.cpp:48:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |  while(i<my[x].size()&&j<my[y].size()&&my[x][i]!=my[y][j]){
      |                        ~^~~~~~~~~~~~~
swap.cpp:52:6: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |  if(i==my[x].size()||j==my[y].size())return -1;
      |     ~^~~~~~~~~~~~~~
swap.cpp:52:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |  if(i==my[x].size()||j==my[y].size())return -1;
      |                      ~^~~~~~~~~~~~~~
swap.cpp:54:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |  while(i<my[x].size()){
      |        ~^~~~~~~~~~~~~
In file included from /usr/include/c++/9/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
                 from swap.cpp:2:
swap.cpp:57:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |   assert(j<my[y].size()&&my[x][i]==my[y][j]);
      |          ~^~~~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 7 / 7
• Subtask 3: 17 / 17
• Subtask 4: 20 / 20
• Subtask 5: 23 / 23
• Subtask 6: 27 / 27