結果
| 問題 | No.1060 素敵な宝箱 |
| コンテスト | |
| ユーザー |
scol_kp
|
| 提出日時 | 2020-05-22 23:06:25 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 30 ms / 2,000 ms |
| コード長 | 1,464 bytes |
| コンパイル時間 | 2,539 ms |
| コンパイル使用メモリ | 202,772 KB |
| 最終ジャッジ日時 | 2025-01-10 15:01:09 |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 24 |
ソースコード
#include <bits/stdc++.h>
#define FASTIO
using namespace std;
using ll = long long;
using Vi = vector<int>;
using Vl = vector<ll>;
using Pii = pair<int, int>;
using Pll = pair<ll, ll>;
constexpr int I_INF = numeric_limits<int>::max();
constexpr ll L_INF = numeric_limits<ll>::max();
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
void solve() {
ll N, M;
cin >> N >> M;
vector<Vl> A(N, Vl(M));
for (ll i = 0; i < N; i++) {
for (ll j = 0; j < M; j++) {
cin >> A[i][j];
}
}
Vl ds(M);
for (ll j = 0; j < M; j++) {
for (ll i = 0; i < N; i++) {
ds[j] += A[i][j];
}
}
Vl es(N);
for (ll i = 0; i < N; i++) {
for (ll j = 0; j < M; j++) {
es[i] += A[i][j] * ds[j];
}
}
sort(es.begin(), es.end(), greater<ll>());
ll ans = 0;
for (ll i = 0; i < N; i++) {
if (i & 1) {
ans -= es[i];
}
else {
ans += es[i];
}
}
cout << ans << "\n";
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
int main() {
#ifdef FASTIO
cin.tie(0), cout.tie(0);
ios::sync_with_stdio(false);
#endif
#ifdef FILEINPUT
ifstream ifs("./in_out/input.txt");
cin.rdbuf(ifs.rdbuf());
#endif
#ifdef FILEOUTPUT
ofstream ofs("./in_out/output.txt");
cout.rdbuf(ofs.rdbuf());
#endif
solve();
cout << flush;
return 0;
}
scol_kp