题目:
讨论帖:
int main() { switch (getchar() - '0') { case 2: puts("3"); break; case 3: puts("25"); break; case 4: puts("253"); break; case 5: puts("3121"); break; case 6: puts("46651"); break; case 7: puts("823537"); break; case 8: puts("16777209"); break; }
#include <stdio.h> #include <math.h> size_t apple(size_t b) { return b>0?pow(b,b)-(b-1):0; } int main() { printf("%d\n",apple(8)); return 0; }
void apple(short bear, short apple_sum, short count){ if(count == bear){ return; } apple_sum += pow(count,count) - count + 1; count++; apple(bear, apple_sum, count); }
2.
讨论帖子:
http://bbs.csdn.net/topics/391830032
void print(vector<char>& vData) { vector<char>::iterator it = vData.begin(); for(; it != vData.end(); it++) { if(*it == '0' || *it == '2' || *it == '3' || *it == '5' || *it == '6' || *it == '7' || *it == '8' || *it == '9') { cout<<" - "; } else if(*it == '*') { cout<<" "; } else { cout<<" "; } } cout<<endl; for(it = vData.begin(); it != vData.end(); it++) { if(*it == '0' || *it == '4' || *it == '8' || *it == '9') { cout<<"| |"; } else if(*it == '5' || *it == '6') { cout<<"| "; } else if(*it == '*') { cout<<" "; } else { cout<<" |"; } } cout<<endl; for(it = vData.begin(); it != vData.end(); it++) { if(*it == '0' || *it == '1' || *it == '7') { cout<<" "; } else if(*it == '*') { cout<<"*"; } else { cout<<" - "; } } cout<<endl; for(it = vData.begin(); it != vData.end(); it++) { if(*it == '0' || *it == '6' || *it == '8') { cout<<"| |"; } else if(*it == '2') { cout<<"| "; } else if(*it == '*') { cout<<" "; } else { cout<<" |"; } } cout<<endl; for(it = vData.begin(); it != vData.end(); it++) { if(*it == '0' || *it == '2' || *it == '3' || *it == '5' || *it == '6' || *it == '8' || *it == '9') { cout<<" _ "; } else if(*it == '*') { cout<<" "; } else { cout<<" "; } } cout<<endl; } int main() { int n, i, k; while(cin>>n) { i = 2; if(n < 2) continue; vector<int> vData; while(n >= i) { if(n % i == 0) { n = n / i; vData.push_back(i); } else { i++; } } vector<char> vRes; int vDataSize = vData.size(); for(k = 0; k < vDataSize; k++) { stack<int> temp; while(vData[k] > 0) { int value = vData[k] % 10; temp.push(value); vData[k] /= 10; } while(!temp.empty()) { vRes.push_back(temp.top() + 48); temp.pop(); } vRes.push_back('*'); } if(!vRes.empty()) { vRes.pop_back(); } print(vRes); } return 0; }
时间: 2024-09-30 10:13:40