【HD水】A+B

題目連接php #include<cstdio> int main() { int s1,s2; int t; scanf("%d",&t); while(t--){ int a,b; scanf("%d%d",&a,&b); s1=a/10%10*10+a%10; s2=b/10%10*10+b%10; int s=s1+s2; int num=s/10%10*1

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