提出 #12312278

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ソースコード 拡げる

//%std
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
inline int read()
{
	int out = 0, fh = 1;
	char jp = getchar();
	while ((jp > '9' || jp < '0') && jp != '-')
		jp = getchar();
	if (jp == '-')
		fh = -1, jp = getchar();
	while (jp >= '0' && jp <= '9')
		out = out * 10 + jp - '0', jp = getchar();
	return out * fh;
}
const int N = 100 + 10;
int n, m, dp[N][N], a[N][N];
char buf[N];
int main()
{
	n = read(), m = read();
	for (int i = 1; i <= n; ++i)
	{
		scanf("%s", buf + 1);
		for (int j = 1; j <= m; ++j)
			a[i][j] = buf[j] == '#';
	}
	dp[1][1] = a[1][1];
	for (int i = 1; i <= n; ++i)
		for (int j = 1; j <= m; ++j)
		{
			if (i == 1 && j == 1)
				continue;
			int val = n * m;
			if (i > 1)
				val = min(val, dp[i - 1][j] + (a[i][j] == 1 && a[i - 1][j] == 0));
			if (j > 1)
				val = min(val, dp[i][j - 1] + (a[i][j] == 1 && a[i][j - 1] == 0));
			dp[i][j] = val;
		}
	printf("%d\n", dp[n][m]);
	return 0;
}

提出情報

コンパイルエラー

./Main.cpp: In function ‘int main()’:
./Main.cpp:25:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s", buf + 1);
                       ^

ジャッジ結果