This is an A+B Problem
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This is an A+B Problem
Time Limit: 1000ms Memory limit: 65536K 有疑问?点这里^_^
题目描述
As usual, there will be an A+B problem in warming up, this problem is:
Given two integers A and B, your job is to calculate the sum of A + B.
Given two integers A and B, your job is to calculate the sum of A + B.
输入
There are several test cases, For each test case:
There are two integers A, B for each case (0 ≤ A , B < 101000).
There are two integers A, B for each case (0 ≤ A , B < 101000).
输出
For each test case, output one line containing the result of A+B.
示例输入
1 211111111111 11111111111
示例输出
322222222222
提示
来源
示例程序
#include<stdio.h> #include<string.h> char a[2000],b[2000],c[2000]; int main() { int i,j,n,m,k,t,l; memset(a,0,sizeof(a)); memset(b,0,sizeof(b)); while(scanf("%s %s",a,b)!=EOF) { memset(c,0,sizeof(c)); n=strlen(a); m=strlen(b); l=0; //printf("%s %s\n",a,b); for(i=n-1,j=m-1;j>=0&&i>=0;i--,j--) c[l++]=a[i]+b[j]-48; if(i!=-1) for(;i>=0;) c[l++]=a[i--]; if(j!=-1) for(;j>=0;) c[l++]=b[j--]; //if(c[l-1]>=58) //l++; for(k=0;k<l;k++) if(c[k]>=58) { c[k]=c[k]-10; c[k+1]+=1; } if(c[k]!=0) { printf("%c",c[k]+48); } for(t=l-1;t>=0;t--) printf("%c",c[t]); printf("\n"); } }
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