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답안 #245301

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
245301 2020-07-06T02:22:47 Z Marlov 건포도 (IOI09_raisins) C++14
25 / 100
 78 ms 640 KB 
/*
Code by @marlov       
*/
#include <iostream>
#include <fstream>
#include <string>
#include <sstream>
#include <vector>
#include <string>
#include <cmath>
#include <algorithm>
#include <iomanip>
#include <utility>
#include <set>
#include <unordered_set>
#include <map>
#include <unordered_map>
#include <stack>
#include <queue>
#include <iterator>
using namespace std;
typedef long long ll;
typedef pair<long long,long long> pi;

#define maxV 7
#define INF 1000000000
long long N,M;
long long arr[maxV][maxV];
long long dp[maxV][maxV][maxV][maxV];

long long psum(long long a,long long b,long long x,long long y){
	long long v=0;
	for(long long i=a;i<=x;i++){
		for(long long j=b;j<=y;j++){
			v+=arr[i][j];
		}
	}
	return v;
}

int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	cin>>N>>M;
	for(long long i=0;i<N;i++){
		for(long long j=0;j<M;j++){
			for(long long a=i;a<N;a++){
				for(long long b=j;b<M;b++){
					dp[i][j][a][b]=INF;
				}
			}
		}
	}
	for(long long i=0;i<N;i++){
		for(long long j=0;j<M;j++){
			cin>>arr[i][j];
			dp[i][j][i][j]=0;
		}
	}
	//loc size
	for(long long a=0;a<N;a++){
		for(long long b=0;b<M;b++){
			//starting loc x,y
			for(long long x=0;x+a<N;x++){
				for(long long y=0;y+b<M;y++){
					//splits
					//1D
					for(long long i=1;i<=a;i++){
						dp[x][y][x+a][y+b]=min(dp[x][y][x+a][y+b],dp[x][y][x+i-1][y+b]+dp[x+i][y][x+a][y+b]+psum(x,y,x+a,y+b));
					}
					//2d
					for(long long i=1;i<=b;i++){
						dp[x][y][x+a][y+b]=min(dp[x][y][x+a][y+b],dp[x][y][x+a][y+i-1]+dp[x][y+i][x+a][y+b]+psum(x,y,x+a,y+b));
					}
				}
			}

		}
	}
	cout<<dp[0][0][N-1][M-1]<<'\n';
    return 0;
}

/* stuff you should look for
	* long long overflow, array bounds
	* special cases (n=1,n=0?)
	* do smth instead of nothing and stay organized
*/

Subtask #1
25.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 256 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Runtime error 78 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
7 Runtime error 5 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
8 Runtime error 5 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
9 Runtime error 5 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
10 Runtime error 5 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
11 Runtime error 5 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
12 Runtime error 6 ms 640 KB Execution killed with signal 11 (could be triggered by violating memory limits)
13 Runtime error 6 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
14 Runtime error 5 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Runtime error 5 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
16 Runtime error 5 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
17 Runtime error 5 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
18 Runtime error 5 ms 640 KB Execution killed with signal 11 (could be triggered by violating memory limits)
19 Runtime error 5 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
20 Runtime error 5 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)