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python/TangDou/ChangZhou2022/2_0.cpp

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2025-08-30 18:35:01 +08:00
#include <bits/stdc++.h>
using namespace std;
const int N = 110;
int a[N];
#define x first
#define y second
typedef pair<int, int> PII;
int main() {
int cnt = 0;
a[1] = ++cnt, a[128] = ++cnt;
queue<PII> q;
q.push({1, 128});
while (q.size()) {
auto t = q.front();
q.pop();
int mid = (t.x + t.y) >> 1;
a[mid] = ++cnt, a[mid + 1] = ++cnt;
if (cnt > 32) break;
q.push({t.x, mid});
q.push({mid + 1, t.y});
}
cnt = 0;
for (int i = 1; i <= 128; i++) {
if (a[i]) {
cnt++;
printf("a[%d]=%d ", i, a[i]);
if (cnt % 5 == 0) printf("\n");
}
}
// 1肯定是1,2肯定是128
// 3可能是64,也可能是65
// 4可能是64,也可能是65
return 0;
}