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  1.     #include <iostream>
  2.     #include <vector>
  3.     #include <algorithm>
  4.  
  5.     struct results {
  6.       unsigned int id; //id of the team
  7.       unsigned int m; //number of solved problems
  8.     };
  9.  
  10.     // I guess you're trying to sort on number of solved problems. If not, change `.m` to `.id`
  11.     bool comparare(const results lhs, const results rhs) {
  12.       return lhs.m > rhs.m;
  13.     }
  14.  
  15.     int main() {
  16.  
  17.       size_t n;
  18.  
  19.       std::cout << "Enter number of results: " << std::endl;
  20.       std::cin >> n;
  21.  
  22.      std::vector<results> standings(n); // Creates std::vector of results with n elements
  23.  
  24.       // read in id and number of problems solved
  25.       for(size_t i=0; i < n; ++i) {
  26.         std::cin >> standings[i].id >> standings[i].m;
  27.       }
  28.  
  29.       // sort the array
  30.       std::sort(standings.begin(), standings.end(), comparare);
  31.  
  32.       // output the sorted array's id
  33.       for(size_t i = 0; i < standings.size(); ++i) {
  34.         std::cout << "In " << i+1 << " place: " << standings[i].id << " with " << standings[i].m << " problems solved." << std::endl;
  35.       }
  36.  
  37.       return 0;
  38.     }
Success #stdin #stdout 0s 3468KB
comments (?)
stdin
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4 1 2 3 4 5 6 7 8
stdout
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Enter number of results: 
In 1 place: 7 with 8 problems solved.
In 2 place: 5 with 6 problems solved.
In 3 place: 3 with 4 problems solved.
In 4 place: 1 with 2 problems solved.
https://ideone.com/7LUqH9
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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