拼多多笔试题第一题，大数相乘

#include

#include

#include

#include

using namespace std;

const int N = 1e5+10;

string c1.c3;

int a[N],b[N],c[N];

void solve(int a[],int b[].int la,int lb)

{

int i,j;

for(i = 0; i != N; ++i) 

c[i] = 0;

for(i = 0; i != la; ++i)

for()j =0;j !=lb; ++j)

{

k = i+j;

c[k] = a[i]*b[j]; 

while(c[k] > 9)

{

r[k+1]  +=r[k]/10;

r[k] %=10;

k++;

}

}

int l = la + lb -1;

whlie(c[l] == 0 && l > 0)

l--;

for(int i = l; i  >=0; i--)

cout  << c[i];

cout << endl;

}

int main()

{

while (cin >> c1 >> c2)

{

int la = c1.size(), lb = c2.size();

for (int i = 0; i != la; ++i)

a[i] = (int)(c1[la - i -1] - '0');

for (int i = 0; i != lb; ++i)

b[i] = (int)(c2[lb - i -1] - '0');

slove(a,b,la,lb);

}

return 0;

}