- 【例29.2】 幂的末尾
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xiance057 LV 4 @ 2025-3-10 10:43:32
#include<bits/stdc++.h> using namespace std; int main(){ long long a,b; cin>>a>>b; long long s=1; for(int i=1;i<=b;i++){ s*=a; s%=1000; } printf("%03d",s);
return 0;
}
1 comments
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谭钧予 LV 9 @ 2026-5-20 22:02:44#include <iostream> using namespace std; int main() { int a, b; cin >> a >> b; int res = 1; // 每次只保留最后三位，防止数字爆炸 for (int i = 0; i < b; i++) { res = res * a % 1000; } // 输出3位，不足补0 printf("%03d\n", res); return 0; }
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