题解 | 牛牛学数列4
牛牛学数列4
https://www.nowcoder.com/practice/586b114f52034688879342ba45779081
#include <stdio.h> int main() { int c,i,n,j; c=0; i=0; n=0; scanf("%d",&n); j=n; for(i=1;i<n+1;i++) { c=c+j*i; j--; } printf("%d",c); return 0; }
牛牛学数列4
https://www.nowcoder.com/practice/586b114f52034688879342ba45779081
#include <stdio.h> int main() { int c,i,n,j; c=0; i=0; n=0; scanf("%d",&n); j=n; for(i=1;i<n+1;i++) { c=c+j*i; j--; } printf("%d",c); return 0; }
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