提出 #32005549

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ソースコード 拡げる

#include<bits/stdc++.h>
using namespace std;

template <typename T>
inline void read(T &a) {
	char c;for (c = getchar(); (c < '0' || c > '9') && c != '-'; c = getchar());bool f = c == '-';T x = f ? 0 : (c ^ '0');for (c = getchar(); c >= '0' && c <= '9'; c = getchar()) {x = x * 10 + (c ^ '0');}a = f ? -x : x;
}
template <typename T, typename ...Argv>
inline void read(T &a, Argv &...argv) {
	read(a), read(argv...);
}

int n, m;
char a[1000][1000];
signed main() {
	read(n, m);
	for (int i = 1; i <= n; ++i) {
		scanf("%s", a[i] + 1);
	}
	int x1 = 0, x2 = 0, y1, y2;
	for (int i = 1; i <= n; ++i) {
		for (int j = 1; j <= m; ++j) {
			if (a[i][j] == 'o') {
				if (x1) {
					x2 = i;
					y2 = j;
				} else {
					x1 = i;
					y1 = j;
				}
			}
		}
	}
	printf("%d\n", abs(x1 - x2) + abs(y1 - y2));
}

提出情報

コンパイルエラー

./Main.cpp: In function ‘int main()’:
./Main.cpp:18:8: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   18 |   scanf("%s", a[i] + 1);
      |   ~~~~~^~~~~~~~~~~~~~~~
./Main.cpp:34:39: warning: ‘y2’ may be used uninitialized in this function [-Wmaybe-uninitialized]
   34 |  printf("%d\n", abs(x1 - x2) + abs(y1 - y2));
      |                                    ~~~^~~~
./Main.cpp:34:39: warning: ‘y1’ may be used uninitialized in this function [-Wmaybe-uninitialized]

ジャッジ結果