# Contains? & ltiostream & gt
int？ Master ()
{
int？ I，j，n，m，e，sl，o，h；
Printf ("Please enter n \ n");
scanf("%d "，& ampn)；
Charles? SZ[ 100][ 100]；
int？ hzb[ 100]={0}，zzb[ 100]= { 0 }；
for(I = 0； I & ltn；; i++)
{
Printf ("Please enter %d array status \n", i);
scanf("%s "，SZ[I])；
}
Printf ("Please enter m \ n");
scanf("%d "，& ampm)；
while(m & gt； 1)
{
e = 0；
for(I = 0； I & ltn；; i++)
{
for(j = 0； j & ltn； j++)
{
//Look for people who have the flu on their first day.
if(sz[i][j]=='@ ')
{
hzb[e]= I；
zzb[e]= j；
e++；
}
}
}
for(I = 0； Me & lte；; i++)
{
o = hzb[I]；
h = zzb[I]；
//Judge whether the patient, neighbor and the last line are infected.
If (o>= 1. & ampsz[o- 1][h]== ' . ')
{
SZ[o- 1][h]= ' @ '；
}
//judge whether the patient, neighbor, and left column are infected or not.
If (h>= 1. & ampsz[o][h- 1]== ' . ')
{
SZ[o][h- 1]= ' @ '；
}
//Judge whether the patient, neighbor and right column are infected or not.
//h+ 1 & lt； =n- 1, and the number of columns cannot exceed the given range.
if(h+ 1 & lt； = n- 1 & amp； & ampsz[o][h+ 1]== ' . ')
{
SZ[o][h+ 1]= ' @ '；
}
//Judge the patient, neighbor, next line, whether someone, someone, another infection.
if(o+ 1 & lt； = n- 1 & amp； & ampsz[o+ 1][h]== ' . ')
{
SZ[o+ 1][h]= ' @ '；
}
}
m-；
}
sl = 0；
for(I = 0； I & ltn；; i++)
{
for(j = 0； j & ltn； j++)
{
if(sz[i][j]=='@ ')
{
sl++；
}
}
}
Printf ("The total number of people who get flu every m days is ***%d \n", SL);
System ("suspended");
Return? 0;
C language is process-oriented, so it should not be able to complete the input part of the console, so it needs C++ to complete the input part. C++ compiler environment can compile C language for your reference.