【PAT甲级】1050. String Subtraction (20)
2016-10-26 23:23
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#include <stdio.h> #include <string.h> int main(int argc, char *argv[]) { char a[10001]; char b[10001]; int map[1000] = {0}; gets(a); int al = strlen(a); gets(b); int bl = strlen(b); int i; for (i = 0; i < bl; i++) { map[b[i]] = 1; } for (i = 0; i < al; i++) { if (map[a[i]] == 0) printf("%c", a[i]); } printf("\n"); return 0; }
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