题解 | #句子逆序#
句子逆序
http://www.nowcoder.com/practice/48b3cb4e3c694d9da5526e6255bb73c3
#include <cstdio>
#include <cstring>
void printString(char *arr, int i, int j) {
for(int k = i; k < j; k++) {
printf("%c", arr[k]);
}
}
int main() {
char arr[1005];
while(EOF != scanf("%[^\n]", arr)) {
getchar();
int len = strlen(arr);
int i = len - 1, j = len;
while(1) {
if(arr[i] == ' ') {
if(j != len) {
printf(" ");
}
printString(arr, i+1, j);
j = i;
} else if(i == 0) {
if(j != len) {
printf(" ");
}
printString(arr, i, j);
break;
}
i--;
}
printf("\n");
}
return 0;
}
