191012

/* #include int main () { int arr[10]; int k; for(int i=0;i<10;i++) { scanf("%d",&arr[i]); } scanf("%d",&k); printf("%d",arr[k-1]); } */ /* #include int main() { int box[30][30] ={0}; int i, n, j; scanf("%d", &n); for(i=0; i #include int main () { char str[1000]={0}; scanf("%s",str); for(int i=0;i='A' && str[i]<='Z') { str[i] += 32; } else if(str[i] >='a' && str[i]<='z') { str[i] -= 32; } } printf("%s",str); } */ /* #include int main () { int n,m; int arr1[n]={0,}; int arr2[m]={0,}; int data[m]={0,}; scanf("%d",&n); for(int i=0;i #include int main () { int n,x,y; scanf("%d %d %d",&n,&x,&y); int arr[n][n]={0,}; for(int i=0;i