如题，我第一题死活ac0，挠了我两个小时心态爆炸，啥都对着但就是ac0。
后来我好像发现问题了，大家一定要引以为戒啊啊啊啊啊啊
最后大家知道笔试有几次机会啊，我还能挣扎吗
#include <bits/stdc++.h>
using namespace std;
bool check (int num) {
if (num % 10 != 7) return false;
num = num / 10;
if (num % 2 == 0) return false;
return true;
}
int main() {
std::cout << "Hello, World!" << std::endl;
int m, n;
std::cin >> m >> n;
if (m < 10 || n < 10) {
cout << "[]";
return 0;
}
vector<vector<int>> res;
int cnt = 0;
int up = 0, down = m - up - 1, left = 0, right = n - left - 1;
cout << "[";
while (cnt < m * n) {
for (int y = left; y <= right; y++) {
cnt++;
if (check(cnt)) {
// cout << "[" << up << "," << y << "]";cout << ",";
vector<int> tmp;
tmp.emplace_back(up);
tmp.emplace_back(y);
res.emplace_back(tmp);
}
}
if (++up > down) break;
for (int x = up; x <= down; x++) {
cnt++;
if (check(cnt)) {
// cout << "[" << x << "," << right << "]";cout << ",";
vector<int> tmp;
tmp.emplace_back(x);
tmp.emplace_back(right);
res.emplace_back(tmp);
}
}
if (--right < left) break;
for (int y = right; y >= left; y--) {
cnt++;
if (check(cnt)) {
// cout << "[" << down << "," << y << "]";cout << ",";
vector<int> tmp;
tmp.emplace_back(down);
tmp.emplace_back(y);
res.emplace_back(tmp);
}
}
if (--down < up) break;
for (int x = down; x >= up; x--) {
cnt++;
if (check(cnt)) {
// cout << "[" << x << "," << left << "]";cout << ",";
vector<int> tmp;
tmp.emplace_back(x);
tmp.emplace_back(left);
res.emplace_back(tmp);
}
}
if (++left > right) break;
}
// cout << "]";
cout << "[";
for (int i = 0; i < res.size() - 1; i++) {
cout << "[" << res[i][0] << "," << res[i][1] << "],";
}
cout << "[" << res.back()[0] << "," << res.back()[1] << "]]";
return 0;
} 大家看到了吗，本地项目自动生成的cout << hello world 我没删！我没删！我没删！我没删！我没删！我没删！我没删！我没删！我没删！我没删！我没删！我没删！我没删！我没删！我没删！
我好惨啊
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