break;} if (____) { c++;printf("%4d",i); if (c%5==0) printf("\n"); } } return 0;}
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____; else return sum(n-1)+n;}int main(){ int n,s=0; scanf("%d",&n); s=sum(n); printf("%d",s); return 0;}
,a=0; while____ { for____ { if____==0) break; else i--; }
#include #include #define N 9____fun (int a[][N]){ int i,j;for(i=0;i
乘积C的第m行第n列的元素等于矩阵A的第m行的元素与矩阵B的第n列对应元素乘积之和。#include< stdio.h>#define M 2#define P 3#define N 4void fun(int a[M] [P], int b[P] [N],int c[M] [N]){ int i,j,k,s; for(i=0;i