結果為什么是0，不是10
#include <stdio.h>
int main()
{
??? int a,b,c,d;
??? double result;
??? a = 1;
??? b = 2;
??? c = 3;
??? d = 4;
??? result = a+b+c+d; ? ?
??? printf("%.0f\n",(int)result);
??? return 0;
}
李長萍
2020-02-17
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2020-02-17
#include?<stdio.h> int?main() { ????int?a,b,c,d; ????double?result; ????a?=?1; ????b?=?2; ????c?=?3; ????d?=?4; ????result?=?a+b+c+d;???? ????printf("%.0f\n",result); ????return?0; }