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- #include<stdio.h>
- #include<string.h>
- int main()
- {
- int n,i,f;
- char s[20];
- scanf("%d%*c",&n);
- for(i=0;i<n;i++){
- gets(s);
- f=strlen(s);
- if((!strcmp("1",s)) || (!strcmp("4",s)) || (!strcmp("78",s))){
- printf("+\n");
- }
- else if((s[f]==5) && (s[f-1]==3)){
- printf("-\n");
- }
- else if((s[0]==1) && (s[1]==9) && (s[2]==0)){
- printf("?\n");
- }
- else printf("*\n");
- }
- return 0;
- }
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