Submission #56375

#	Time	Username	Problem	Language	Result	Execution time	Memory
56375		leejseo	배열 탈출 (GA8_array)	C++98	49 / 100	788 ms	66560 KiB

array

#include <stdio.h>
#include <algorithm>
#define INF 1000000000
using namespace std;
int A[2223][2223], CUR[2223], BF[2223], N;

void input(){
	scanf("%d", &N);
	for (int i=1; i<=N; i++){
		for (int j=1; j<=N; j++){
			scanf("%d", &A[i][j]);
		}
	}
}

void DP(){
	for (int i=0; i<=N; i++){
		BF[i] = INF;
	}	
	for (int i=1; i<=N; i++){
		CUR[0] = INF;
		for (int j=1; j<=N; j++){
			if (i + j == 2){
				CUR[1] = 0;
				BF[1] = 0;
				continue;
			}
			CUR[j] = min(BF[j] + (A[i-1][j] > A[i][j]? 0 : A[i][j] - A[i-1][j] + 1), CUR[j-1] + (A[i][j-1]  > A[i][j]? 0 : A[i][j] - A[i][j-1] + 1));		
			BF[j] = CUR[j];
		}
	}
}

int main(void){
	input();
	DP();
	printf("%d\n", CUR[N]);
}

Compilation message (stderr)

array.cpp: In function 'void input()':
array.cpp:8:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
  ~~~~~^~~~~~~~~~
array.cpp:11:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d", &A[i][j]);
    ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 11 / 11
• Subtask 3: 32 / 32
• Subtask 4: 0 / 51