約瑟夫問題，輸入總人數，自動產生大於0小於n的隨機數

#include
#include
#include
#include
using namespace std;
int main() {
int m, n;
cout << “請輸入總人數” << endl;
cin >> n;
srand(time(0));
m = rand() % n + 1;
cout << “隨機數為：” << m << endl;
vectortot;
if (n <= 0) {
cout << “無效數字” << endl;
}
else {
for (int i = 0; i < n; i++) {
int j = 1;
tot.push_back(j);
}
int i = 0;
int p = 0;
while (1) {
while (((p + i + 1) % n) != 0 && tot[(p + i + 1) % n - 1] == 0) {
p++;
}
if ((p + i + 1) % n == 0 && tot[n - 1] == 0) {
p++;
while (((p + i + 1) % n) != 0 && tot[(p + i + 1) % n - 1] == 0) {
p++;
}
}
if ((p + i + 1) % n == 0 && (i + 1) % m == 0) {
tot[n - 1] = 0;
}
if ((p + i + 1) % n != 0 && (i + 1) % m == 0) {
tot[(p + i + 1) % n - 1] = 0;
}
if (i == (n - 1) * m - 1) {
break;
}
i++;
}
for (int i = 0; i < n; i++) {
if (tot[i] == 1) {
cout << “留下的最後一個人的原編號為：” << i + 1 << endl;
break;
}
}
cout << “程式結束” << endl;
}
return 0;
}