31 lines
456 B
C
31 lines
456 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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int main()
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{
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int number;
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int sum = 0;
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int count = 0;
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printf("请输入数字\n");
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scanf("%d", &number);
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while(number!=-1)
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{
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sum = sum+number;
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count = count+1;
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printf("请输入数字\n");
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scanf("%d", &number);
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}
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if (count > 0)
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{
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printf("平均数是%.2f\n", (float)sum / count);
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}
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else
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{
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printf("未输入有效数字\n");
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}
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return 0;
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} |