Submission #23039783

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Source Code Expand

/**
 * Author: kumasento
 * Date:   2021-05-30T13:01:58
 */

#include <bits/stdc++.h>
using namespace std;

/// --------------------- Types:
using LL = long long;
using PII = pair<int, int>;
using PIL = pair<int, LL>;
using PLI = pair<LL, int>;
using PLL = pair<LL, LL>;

/// --------------------- Constants:
constexpr int INF = 1e9;
constexpr LL LINF = 1e16;
constexpr LL MOD = 1e9 + 7;

/// --------------------- Helpers:
// *** Credit to Neal Wu
// overload operator<<() for pairs.
template <typename T1, typename T2>
ostream &operator<<(ostream &os, const pair<T1, T2> &p) { return os << '(' << p.first << ", " << p.second << ')'; }
// overload container output. Won't affect strings.
template <typename C, typename T = typename enable_if<!is_same<C, string>::value, typename C::value_type>::type>
ostream &operator<<(ostream &os, const C &v) { os << '{'; string sep; for (const T &x : v) os << sep << x, sep = ", "; return os << '}'; }
// variadic debugger.
void dbg_out() { cerr << endl; }
template <typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr << ' ' << H; dbg_out(T...); }
#ifdef LOCAL_DEBUG
#define dbg(...) cerr << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__)
#else
#define dbg(...)
#endif

/// --------------------- Globals:

/// --------------------- Solution:

int main() {
  ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
  #ifdef LOCAL_DEBUG
  ifstream in("B.in"); if (in) cin.rdbuf(in.rdbuf());
  #endif

  int N, K; cin >> N >> K;

  int sum = 0;
  for (int i = 1; i <= N; i ++) {
    for (int j = 1; j <= K; j ++) {
      sum += i * 100 + j;
    }
  }

  cout << sum << endl;



}

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Judge Result