Submission #56507

#	Time	Username	Problem	Language	Result	Execution time	Memory
56507		leejseo	배열 탈출 (GA8_array)	C++14	49 / 100	822 ms	66560 KiB

array

#include <stdio.h>
#include <algorithm>
const int INF = (int) 1e9;
using namespace std;
int A[2230][2230], D[2230][2230], 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(){
	D[1][1] = 0;
	for (int i=0; i<=N; i++){
		D[0][i] = INF;
		D[i][0] = INF;
	}
	for (int i=1; i<=N; i++){
		for (int j=1; j<=N; j++){
			if (i == 1 && j == 1) continue;
			D[i][j] = min(D[i-1][j] + (A[i-1][j] > A[i][j]? 0 : A[i][j] - A[i-1][j] + 1), D[i][j-1] + (A[i][j-1]  > A[i][j]? 0 : A[i][j] - A[i][j-1] + 1));		
		}
	}
}
 
int main(void){
	input();
	DP();
	printf("%d\n", D[N][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