oj.uz

Submission #403406

# Submission time Handle Problem Language Result Execution time Memory
403406 2021-05-13T06:55:35 Z Wasrek Swapping Cities (APIO20_swap) C++14
0 / 100
 117 ms 11592 KB 
#include<bits/stdc++.h>
#include "swap.h"
// #include"grader.cpp"
#include <vector>
#define SIZE 100010
#define MAX 2000000000
using namespace std;
struct A{
  int u,w;
};
int sub2=1;
A m1={0,MAX},m2={0,MAX},m3={0,MAX};
vector<A> g[SIZE];

void init(int N, int M, std::vector<int> U, std::vector<int> V, std::vector<int> W) {
    for(int i=0;i<M;i++){
      g[U[i]].push_back({V[i],W[i]});
      g[V[i]].push_back({U[i],W[i]});
      if(U[i]!=0) sub2=0;
      if(W[i]<m1.w){
        m3=m2,m2=m1,m1={V[i],W[i]};
      }else if(W[i]<m2.w){
        m3=m2,m2={V[i],W[i]};
      }else if(W[i]<m3.w){
        m3={V[i],W[i]};
      }
    }
    // printf("%d %d\n%d %d\n%d %d\n",m1.u,m1.w,m2.u,m2.w,m3.u,m3.w);
    return ;
}

int getMinimumFuelCapacity(int X, int Y) {
  //min path ที่มี node อยู่ระหว่าง path
  //หา min ถนนที่เชื่อมกับโหนดตรงกลาง
  //เทียบ min กับ path อื่นๆ ไปได้ (เชื่อมตรงเลยก็ได้)
  if(sub2){
    if(X==0 || Y==0 || m3.w==MAX) return -1;
    if(X!=m1.u && Y!=m1.u){
      return max(g[X][0].w,max(g[Y][0].w,m1.w));
    }else if(X!=m2.u && Y!=m2.u){
      return max(g[X][0].w,max(g[Y][0].w,m2.w));
    }else if(X!=m3.u && Y!=m3.u){
      return max(g[X][0].w,max(g[Y][0].w,m3.w));
    }
  }
  return 0;
}

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Incorrect 2 ms 2636 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Incorrect 117 ms 11592 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Incorrect 2 ms 2636 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Incorrect 2 ms 2636 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Incorrect 2 ms 2636 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Incorrect 2 ms 2636 KB Output isn't correct
4 Halted 0 ms 0 KB -