愚人节专场,打一乐。官方tutorial
A. Is it rated?
puts("no");
B. Limericks
看样例35->57
, 57->319
, 391->1723
,敏锐的觉察到可能是质因数分解。
for(int i=2;i<=x;i++){
while(x%i==0){
printf("%d",i);
x/=i;
}
}
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