Submission #1318812

#	Time	Username	Problem	Language	Result	Execution time	Memory
1318812		matrix081	Memory (IOI10_memory)	C++20	Compilation error	0 ms	0 KiB

memory

#include "grader.h"
#include "memory.h"
#include <vector>
#include <iostream>
using namespace std;

void play() {
   int i,j,candies=0;
   char a, b,c,d;
   vector <vector<int>> guessed(25);
   for (i=1; i<=50; i+=2) {
      a = faceup(i);
      b = faceup(i+1);
        
         guessed[int(a)-65][0].push_back(i);
         guessed[int(b)-65][0].push_back(i+1);
      }
   
   for (i=0; i<50 && candies<=25; i++){
      c = faceup(i);
      if(int(c)-65 == i){
         faceup(i+1);
         continue;
      }
      d = faceup(guessed[int(c)-65][0]);

      if(c==d){
         candies+=1;
      }
   }
      
      
   
}

Compilation message (stderr)

memory.cpp: In function 'void play()':
memory.cpp:15:32: error: request for member 'push_back' in '(& guessed.std::vector<std::vector<int> >::operator[](((std::vector<std::vector<int> >::size_type)(((int)a) - 65))))->std::vector<int>::operator[](0)', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
   15 |          guessed[int(a)-65][0].push_back(i);
      |                                ^~~~~~~~~
memory.cpp:16:32: error: request for member 'push_back' in '(& guessed.std::vector<std::vector<int> >::operator[](((std::vector<std::vector<int> >::size_type)(((int)b) - 65))))->std::vector<int>::operator[](0)', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
   16 |          guessed[int(b)-65][0].push_back(i+1);
      |                                ^~~~~~~~~