Sum of ones

input/code.cpp: In function 'int main()':
input/code.cpp:7:9: warning: unused variable 'm' [-Wunused-variable]
    7 |     int m = 0;
      |         ^

#include "iostream"
#include "map"

int main() {
    int n;
    std::cin >> n;
    int m = 0;
    long total = 0;
    std::map<long, int> dict;
    for (long i = 1; i <= n ; i++) {
        long num = i;
        int subtot = 0;
        while(num > 0) {
            if (dict.at(num)) {
                subtot += dict.at(num);
                break;
            }
            subtot += (num % 2);
            num /= 2;
        }
        dict.insert_or_assign(i, subtot);
        total += subtot;
    }
    std::cout << total << std::endl;
}

Test 1

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 2

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 3

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 4

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 5

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 6

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 7

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 8

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 9

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 10

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 11

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 12

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 13

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 14

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 15

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 16

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 17

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 18

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 19

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 20

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at

Test 21

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::out_of_range'
  what():  map::at