高质量题解

#include <cstdio>

// 全局数组，short 类型节省内存
const int MAX_N = 1005;
const int MAX_M = 1005;
short matrix[MAX_N][MAX_M];

// 快速读取整数
inline int readInt() {
int x = 0, f = 1;
char ch = getchar();
while (ch < '0' || ch > '9') {
if (ch == '-') f = -1;
ch = getchar();
}
while (ch >= '0' && ch <= '9') {
x = x * 10 + ch - '0';
ch = getchar();
}
return x * f;
}

int main() {
int n = readInt();
int m = readInt();

for (int i = 1; i <= n; ++i) {
    for (int j = 1; j <= m; ++j) {
        matrix[i][j] = (short)readInt();
    }
}

int y = readInt();

// 快速输出
for (int i = 1; i <= n; ++i) {
    printf("%d ", matrix[i][y]);
}
printf("\n");

return 0;

}