#include<iostream> using namespace std; #include<vector> void main(){ const int N = 10; const int M = 3; char str1[N] = "922222229"; char str2[M] = "22"; vector<int> myvector1; int weishu = 0; for (int j = 0; j < M-1; j++) { for (int i = 0; i < N - 1; i++) { int num = (str1[N - i - 2] - '0') *(str2[M - j - 2] - '0') + weishu; weishu = num / 10; if (myvector1.size() <= j + i)myvector1.push_back(num%10); else{ myvector1[j + i] += num % 10; weishu += myvector1[j + i] / 10; myvector1[j + i] = myvector1[j + i] % 10; } } if (weishu){ if (myvector1.size() <= N - 1 + j)myvector1.push_back(weishu); else{ myvector1[N - 1 + j] += weishu; } weishu = 0; } } for (int i = myvector1.size()-1; i >= 0; i--) { cout << myvector1[i]; } system("pause"); }
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