# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
413933 | ignaciocanta | 건포도 (IOI09_raisins) | C++14 | 176 ms | 23136 KiB |
이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
using namespace std;
//#include <ext/pb_ds/assoc_container.hpp>
//using namespace __gnu_pbds;
//template<class T> using Tree = tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;
using tint = long long;
using ld = long double;
#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
#define R0F(i,a) ROF(i,0,a)
#define trav(a,x) for (auto& a: x)
using pi = pair<int,int>;
using pl = pair<tint,tint>;
using vi = vector<int>;
using vpi = vector<pi>;
using vpl = vector<pl>;
using vvi = vector<vi>;
using vl = vector<tint>;
using vb = vector<bool>;
#define pb push_back
#define pf push_front
#define rsz resize
#define all(x) begin(x), end(x)
#define rall(x) x.rbegin(), x.rend()
#define sz(x) (int)(x).size()
#define ins insert
#define f first
#define s second
#define mp make_pair
#define DBG(x) cerr << #x << " = " << x << endl;
const int MOD = 1e9+7;
const int mod = 998244353;
const int MX = 55;
const tint INF = 1e18;
const int inf = 2e8;
const ld PI = acos(ld(-1));
const ld eps = 1e-5;
const int dx[4] = {1, -1, 0, 0};
const int dy[4] = {0, 0, 1, -1};
template<class T> void remDup(vector<T> &v){
sort(all(v)); v.erase(unique(all(v)),end(v));
}
template<class T> bool ckmin(T& a, const T& b) {
return b < a ? a = b, 1 : 0;
}
template<class T> bool ckmax(T& a, const T& b) {
return a < b ? a = b, 1 : 0;
}
bool valid(int x, int y, int n, int m){
return (0<=x && x<n && 0<=y && y<m);
}
int cdiv(int a, int b) { return a/b+((a^b)>0&&a%b); } //redondea p arriba
int fdiv(int a, int b) { return a/b-((a^b)<0&&a%b); } //redondea p abajo
void NACHO(string name = ""){
ios_base::sync_with_stdio(0); cin.tie(0);
if(sz(name)){
freopen((name+".in").c_str(), "r", stdin);
freopen((name+".out").c_str(), "w", stdout);
}
}
int a[MX][MX];
int dp[MX][MX][MX][MX];
int S[MX][MX];
int sum(int a, int b, int c, int d){
return S[c][d]-S[c][b-1]-S[a-1][d]+S[a-1][b-1];
}
int main(){
NACHO();
int n, m; cin >> n >> m;
F0R(i, n) F0R(j, m) cin >> a[i][j];
FOR(i, 1, n+1){
FOR(j, 1, m+1){
S[i][j] += S[i-1][j]+S[i][j-1]-S[i-1][j-1]+a[i-1][j-1];
}
}
F0R(i, n+1) F0R(j, m+1) dp[i][j][i][j] = 0;
ROF(i, 1, n+1){
ROF(j, 1, m+1){
FOR(k, i, n+1){
FOR(l, j, m+1){
int s = sum(i, j, k, l);
if(k == i && l == j) continue;
dp[i][j][k][l] = inf;
FOR(cut, i, k){
ckmin(dp[i][j][k][l], dp[i][j][cut][l]+dp[cut+1][j][k][l]+s);
}
FOR(cut, j, l){
ckmin(dp[i][j][k][l], dp[i][j][k][cut]+dp[i][cut+1][k][l]+s);
}
}
}
}
}
cout << dp[1][1][n][m] << "\n";
}
컴파일 시 표준 에러 (stderr) 메시지
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