0_0_35868986_17525.c: In function 'avg':
0_0_35868986_17525.c:8:10: error: expected expression before 'double'
average=double(sum)/num;
^
0_0_35868986_17525.c: In function 'main':
0_0_35868986_17525.c:17:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=0;i<n;i++)//输入n×m个数，顺便求出每个人的平均成绩存于数组b
^
0_0_35868986_17525.c:17:3: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_35868986_17525.c:17:23: error: expected expression before '/' token
for(int i=0;i<n;i++)//输入n×m个数，顺便求出每个人的平均成绩存于数组b
^
0_0_35868986_17525.c:17:23: error: stray '\312' in program
0_0_35868986_17525.c:17:23: error: stray '\344' in program
0_0_35868986_17525.c:17:23: error: stray '\310' in program
0_0_35868986_17525.c:17:23: error: stray '\353' in program
0_0_35868986_17525.c:17:23: error: stray '\241' in program
0_0_35868986_17525.c:17:23: error: stray '\301' in program
0_0_35868986_17525.c:17:23: error: stray '\270' in program
0_0_35868986_17525.c:17:23: error: stray '\366' in program
0_0_35868986_17525.c:17:23: error: stray '\312' in program
0_0_35868986_17525.c:17:23: error: stray '\375' in program
0_0_35868986_17525.c:17:23: error: stray '\243' in program
0_0_35868986_17525.c:17:23: error: stray '\254' in program
0_0_35868986_17525.c:17:23: error: stray '\313' in program
0_0_35868986_17525.c:17:23: error: stray '\263' in program
0_0_35868986_17525.c:17:23: error: stray '\261' in program
0_0_35868986_17525.c:17:23: error: stray '\343' in program
0_0_35868986_17525.c:17:23: error: stray '\307' in program
0_0_35868986_17525.c:17:23: error: stray '\363' in program
0_0_35868986_17525.c:17:23: error: stray '\263' in program
0_0_35868986_17525.c:17:23: error: stray '\366' in program
0_0_35868986_17525.c:17:23: error: stray '\303' in program
0_0_35868986_17525.c:17:23: error: stray '\277' in program
0_0_35868986_17525.c:17:23: error: stray '\270' in program
0_0_35868986_17525.c:17:23: error: stray '\366' in program
0_0_35868986_17525.c:17:23: error: stray '\310' in program
0_0_35868986_17525.c:17:23: error: stray '\313' in program
0_0_35868986_17525.c:17:23: error: stray '\265' in program
0_0_35868986_17525.c:17:23: error: stray '\304' in program
0_0_35868986_17525.c:17:23: error: stray '\306' in program
0_0_35868986_17525.c:17:23: error: stray '\275' in program
0_0_35868986_17525.c:17:23: error: stray '\276' in program
0_0_35868986_17525.c:17:23: error: stray '\371' in program
0_0_35868986_17525.c:17:23: error: stray '\263' in program
0_0_35868986_17525.c:17:23: error: stray '\311' in program
0_0_35868986_17525.c:17:23: error: stray '\274' in program
0_0_35868986_17525.c:17:23: error: stray '\250' in program
0_0_35868986_17525.c:17:23: error: stray '\264' in program
0_0_35868986_17525.c:17:23: error: stray '\346' in program
0_0_35868986_17525.c:17:23: error: stray '\323' in program
0_0_35868986_17525.c:17:23: error: stray '\332' in program
0_0_35868986_17525.c:17:23: error: stray '\312' in program
0_0_35868986_17525.c:17:23: error: stray '\375' in program
0_0_35868986_17525.c:17:23: error: stray '\327' in program
0_0_35868986_17525.c:17:23: error: stray '\351' in program
0_0_35868986_17525.c:28:3: error: stray '\275' in program
for(int i=0;i<n;i++)//将数组b输出
^
0_0_35868986_17525.c:28:3: error: stray '\253' in program
0_0_35868986_17525.c:28:3: error: stray '\312' in program
0_0_35868986_17525.c:28:3: error: stray '\375' in program
0_0_35868986_17525.c:28:3: error: stray '\327' in program
0_0_35868986_17525.c:28:3: error: stray '\351' in program
0_0_35868986_17525.c:28:3: error: stray '\312' in program
0_0_35868986_17525.c:28:3: error: stray '\344' in program
0_0_35868986_17525.c:28:3: error: stray '\263' in program
0_0_35868986_17525.c:28:3: error: stray '\366' in program
0_0_35868986_17525.c:34:3: error: stray '\307' in program
for(int j=0;j<m;j++)// 求每门课程的平均成绩
^
0_0_35868986_17525.c:34:3: error: stray '\363' in program
0_0_35868986_17525.c:34:3: error: stray '\303' in program
0_0_35868986_17525.c:34:3: error: stray '\277' in program
0_0_35868986_17525.c:34:3: error: stray '\303' in program
0_0_35868986_17525.c:34:3: error: stray '\305' in program
0_0_35868986_17525.c:34:3: error: stray '\277' in program
0_0_35868986_17525.c:34:3: error: stray '\316' in program
0_0_35868986_17525.c:34:3: error: stray '\263' in program
0_0_35868986_17525.c:34:3: error: stray '\314' in program
0_0_35868986_17525.c:34:3: error: stray '\265' in program
0_0_35868986_17525.c:34:3: error: stray '\304' in program
0_0_35868986_17525.c:34:3: error: stray '\306' in program
0_0_35868986_17525.c:34:3: error: stray '\275' in program
0_0_35868986_17525.c:34:3: error: stray '\276' in program
0_0_35868986_17525.c:34:3: error: stray '\371' in program
0_0_35868986_17525.c:34:3: error: stray '\263' in program
0_0_35868986_17525.c:34:3: error: stray '\311' in program
0_0_35868986_17525.c:34:3: error: stray '\274' in program
0_0_35868986_17525.c:34:3: error: stray '\250' in program
0_0_35868986_17525.c:45:6: error: stray '\303' in program
else printf("\n");//每求出一个即输出，避免再用for输出，少时间复杂度
^
0_0_35868986_17525.c:45:6: error: stray '\277' in program
0_0_35868986_17525.c:45:6: error: stray '\307' in program
0_0_35868986_17525.c:45:6: error: stray '\363' in program
0_0_35868986_17525.c:45:6: error: stray '\263' in program
0_0_35868986_17525.c:45:6: error: stray '\366' in program
0_0_35868986_17525.c:45:6: error: stray '\322' in program
0_0_35868986_17525.c:45:6: error: stray '\273' in program
0_0_35868986_17525.c:45:6: error: stray '\270' in program
0_0_35868986_17525.c:45:6: error: stray '\366' in program
0_0_35868986_17525.c:45:6: error: stray '\274' in program
0_0_35868986_17525.c:45:6: error: stray '\264' in program
0_0_35868986_17525.c:45:6: error: stray '\312' in program
0_0_35868986_17525.c:45:6: error: stray '\344' in program
0_0_35868986_17525.c:45:6: error: stray '\263' in program
0_0_35868986_17525.c:45:6: error: stray '\366' in program
0_0_35868986_17525.c:45:6: error: stray '\243' in program
0_0_35868986_17525.c:45:6: error: stray '\254' in program
0_0_35868986_17525.c:45:6: error: stray '\261' in program
0_0_35868986_17525.c:45:6: error: stray '\334' in program
0_0_35868986_17525.c:45:6: error: stray '\303' in program
0_0_35868986_17525.c:45:6: error: stray '\342' in program
0_0_35868986_17525.c:45:6: error: stray '\324' in program
0_0_35868986_17525.c:45:6: error: stray '\331' in program
0_0_35868986_17525.c:45:6: error: stray '\323' in program
0_0_35868986_17525.c:45:6: error: stray '\303' in program
0_0_35868986_17525.c:45:6: error: stray '\312' in program
0_0_35868986_17525.c:45:6: error: stray '\344' in program
0_0_35868986_17525.c:45:6: error: stray '\263' in program
0_0_35868986_17525.c:45:6: error: stray '\366' in program
0_0_35868986_17525.c:45:6: error: stray '\243' in program
0_0_35868986_17525.c:45:6: error: stray '\254' in program
0_0_35868986_17525.c:45:6: error: stray '\311' in program
0_0_35868986_17525.c:45:6: error: stray '\331' in program
0_0_35868986_17525.c:45:6: error: stray '\312' in program
0_0_35868986_17525.c:45:6: error: stray '\261' in program
0_0_35868986_17525.c:45:6: error: stray '\274' in program
0_0_35868986_17525.c:45:6: error: stray '\344' in program
0_0_35868986_17525.c:45:6: error: stray '\270' in program
0_0_35868986_17525.c:45:6: error: stray '\264' in program
0_0_35868986_17525.c:45:6: error: stray '\324' in program
0_0_35868986_17525.c:45:6: error: stray '\323' in program
0_0_35868986_17525.c:45:6: error: stray '\266' in program
0_0_35868986_17525.c:45:6: error: stray '\310' in program
0_0_35868986_17525.c:49:3: error: stray '\307' in program
for(int i=0;i<n;i++)//求各科成绩均大于等于平均成绩的学生数量
^
0_0_35868986_17525.c:49:3: error: stray '\363' in program
0_0_35868986_17525.c:49:3: error: stray '\270' in program
0_0_35868986_17525.c:49:3: error: stray '\367' in program
0_0_35868986_17525.c:49:3: error: stray '\277' in program
0_0_35868986_17525.c:49:3: error: stray '\306' in program
0_0_35868986_17525.c:49:3: error: stray '\263' in program
0_0_35868986_17525.c:49:3: error: stray '\311' in program
0_0_35868986_17525.c:49:3: error: stray '\274' in program
0_0_35868986_17525.c:49:3: error: stray '\250' in program
0_0_35868986_17525.c:49:3: error: stray '\276' in program
0_0_35868986_17525.c:49:3: error: stray '\371' in program
0_0_35868986_17525.c:49:3: error: stray '\264' in program
0_0_35868986_17525.c:49:3: error: stray '\363' in program
0_0_35868986_17525.c:49:3: error: stray '\323' in program
0_0_35868986_17525.c:49:3: error: stray '\332' in program
0_0_35868986_17525.c:49:3: error: stray '\265' in program
0_0_35868986_17525.c:49:3: error: stray '\310' in program
0_0_35868986_17525.c:49:3: error: stray '\323' in program
0_0_35868986_17525.c:49:3: error: stra
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