oj.uz

답안 #709030

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
709030 2023-03-13T04:35:56 Z vjudge1 Domino (COCI15_domino) C++17
20 / 160
 351 ms 31672 KB 
#include<bits/stdc++.h>

#pragma GCC target("avx2")
#pragma GCC optimization("O3")
#pragma GCC optimization("unroll-loops")
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

using namespace std;
 
#define fast ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define file(s) freopen(s".in", "r", stdin);freopen(s".out", "w", stdout);
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define pb push_back
#define ppb pop_back
#define ft first
#define sd second
#define ll long long
#define pll pair<ll,ll>
const int N = 1e6 + 5;
const int M = 1e7 + 5;
const int B = 316;
const ll msize = 101;
const ll mod = 998244353;
const long long inf = 3e18;

struct Mat { vector<vector<ll>> mt = vector<vector<ll>> (msize, vector<ll>(msize, 0)); Mat operator *(const Mat& other) { Mat c; for (int i = 0; i < msize; ++ i) { for (int j = 0; j < msize; ++ j) { for (int k = 0; k < msize; ++ k) { c.mt[i][k] = max(c.mt[i][k], mt[i][j] + other.mt[j][k]); } } } return c; } };
ll binmul(ll x, ll ti, ll m) { ll res = 0;while (ti){if(ti & 1)res += x;x += x;ti >>= 1; x %= m; res %= m;} return res;}
ll binpow(ll x, ll ti, ll m) { ll res = 1;while (ti){if(ti & 1)res=binmul(res,x,m);x=binmul(x,x,m);ti >>= 1; x %= m; res %= m;} return res;}
ll nok(ll a, ll b) { return (a*b)/__gcd(abs(a),abs(b)) * (a*b > 0 ? 1 : -1); }
bool odd(ll n) { return (n % 2 == 1); }
bool even(ll n) { return (n % 2 == 0); }

ll n, k, a[2001][2001], pr1[2001], pr2[2001];

const void solve() {
	cin >> n >> k;
	for (int i = 1; i <= n; ++ i) {
		for (int j = 1; j <= n; ++ j) cin >> a[i][j];
	}
	
	if (k == 1) {
		ll sum = 0, mx = 0;
		for (int i = 1; i <= n; ++ i) {
			for (int j = 1; j <= n; ++ j) {
				sum += a[i][j];
				if (i > 1) mx = max(mx, a[i][j] + a[i - 1][j]);
				if (j > 1) mx = max(mx, a[i][j] + a[i][j - 1]);
			}
		}
		cout << sum - mx;
		return;
	}
	if (k == 2) {
		ll ans = inf, sum = 0, mx = 0;
		for (int i = 1; i <= n; ++ i) {
			for (int j = 1; j <= n; ++ j) {
				sum += a[i][j];
				if (i > 1) mx = max(mx, a[i][j] + a[i - 1][j]);
				if (j > 1) mx = max(mx, a[i][j] + a[i][j - 1]);
			}
			pr1[i] = sum - mx;
		}
		sum = 0, mx = 0;
		for (int j = 1; j <= n; ++ j) {
			for (int i = 1; i <= n; ++ i) {
				sum += a[i][j];
				if (i > 1) mx = max(mx, a[i][j] + a[i - 1][j]);
				if (j > 1) mx = max(mx, a[i][j] + a[i][j - 1]);
			}
			pr2[j] = sum - mx;
		}
		sum = 0, mx = 0;
		for (int i = n; i >= 2; -- i) {
			for (int j = 1; j <= n; ++ j) {
				sum += a[i][j];
				if (i < n) mx = max(mx, a[i][j] + a[i + 1][j]);
				if (j > 1) mx = max(mx, a[i][j] + a[i][j - 1]);
			}
			ans = min(ans, pr1[i - 1] + sum - mx);
		}
		for (int j = n; j >= 2; -- j) {
			for (int i = 1; i <= n; ++ i) {
				sum += a[i][j];
				if (i > 1) mx = max(mx, a[i][j] + a[i - 1][j]);
				if (j < n) mx = max(mx, a[i][j] + a[i][j + 1]);
			}
			ans = min(ans, pr2[j - 1] + sum - mx);
		}
		cout << ans;
		return;
	}
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    srand(time(NULL));
    // file("cowsignal");

    int tt = 1;
//    cin >> tt;

    for (int i = 1; i <= tt; ++ i) {
        // cout << "Case " << i << ": ";
        solve();
    }

    return 0;
}

Compilation message

domino.cpp:4: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    4 | #pragma GCC optimization("O3")
      | 
domino.cpp:5: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    5 | #pragma GCC optimization("unroll-loops")
      | 
domino.cpp:6: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    6 | #pragma comment(linker, "/stack:200000000")
      |

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 4172 KB Output is correct
2 Correct 16 ms 4180 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 351 ms 31672 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 137 ms 23692 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 63 ms 12100 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 233 ms 31576 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 468 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 238 ms 31532 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 724 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #11
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #12
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 244 ms 31608 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #13
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 596 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #14
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 64 ms 12108 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #15
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #16
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 257 ms 31508 KB Output isn't correct
2 Halted 0 ms 0 KB -