题目链接
题解
将l,r区间里面所有被17整数的数求一个和即可.
记得置0.
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#include<cstdio> #include<cstring> #include<cmath> #include<iostream> #include<algorithm> using namespace std ; template<class T>void read(T &x){ x=0;int f=0;char ch=getchar(); while(ch<'0'||ch>'9'){f|=(ch=='-');ch=getchar();} while(ch<='9'&&ch>='0'){x=(x<<1)+(x<<3)+(ch^48);ch=getchar();} x=f?-x:x; return ; } int main() { int l,r,cnt=0; read(l),read(r); for(int i=l;i<=r;i++) if(i%17==0) cnt+=i; printf("%d",cnt); return 0; } |
By:Wahacer
2017.11.17
22:34