Submission #1171547


Source Code Expand

#include <stdio.h>
int z[9999],r[9999];
int f(int a,int b){
	printf("? %d %d\n",a,b);
	fflush(stdout);
	char c[2];
	scanf("%s",c);
	return *c=='Y';
}
int main(){
	int a,b,c=0,q,h;
	scanf("%d%d",&a,&b);
	if(a<=b){puts("Impossible");return 0;}
	q=b+1;
	for(int i=0;i<a+b;i++){
		if(!c||f(z[c-1],i)){
			z[c++]=i;
			if(c>=q)break;
		}else{
			c--;
			q--;
		}
	}
	h=z[c-1];
	for(int i=0;i<a+b;i++){
		r[i]=h==i||f(h,i);
	}
	printf("! ");
	for(int i=0;i<a+b;i++)printf("%d",r[i]);
	puts("");
}

Submission Info

Submission Time
Task F - HonestOrUnkind
User leafmoon
Language C (GCC 5.4.1)
Score 1300
Code Size 520 Byte
Status AC
Exec Time 288 ms
Memory 720 KB

Compile Error

./Main.c: In function ‘f’:
./Main.c:7:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s",c);
  ^
./Main.c: In function ‘main’:
./Main.c:12:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&a,&b);
  ^

Judge Result

Set Name All
Score / Max Score 1300 / 1300
Status
AC × 126
Set Name Test Cases
All 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, 024.txt, 025.txt, 026.txt, 027.txt, 028.txt, 029.txt, 030.txt, 031.txt, 032.txt, 033.txt, 034.txt, 035.txt, 036.txt, 037.txt, 038.txt, 039.txt, 040.txt, 041.txt, 042.txt, 043.txt, 044.txt, 045.txt, 046.txt, 047.txt, 048.txt, 049.txt, 050.txt, 051.txt, 052.txt, 053.txt, 054.txt, 055.txt, 056.txt, 057.txt, 058.txt, 059.txt, 060.txt, 061.txt, 062.txt, 063.txt, 064.txt, 065.txt, 066.txt, 067.txt, 068.txt, 069.txt, 070.txt, 071.txt, 072.txt, 073.txt, 074.txt, 075.txt, 076.txt, 077.txt, 078.txt, 079.txt, 080.txt, 081.txt, 082.txt, 083.txt, 084.txt, 085.txt, 086.txt, 087.txt, 088.txt, 089.txt, 090.txt, 091.txt, 092.txt, 093.txt, 094.txt, 095.txt, 096.txt, 097.txt, 098.txt, 099.txt, 100.txt, 101.txt, 102.txt, 103.txt, 104.txt, 105.txt, 106.txt, 107.txt, 108.txt, 109.txt, 110.txt, 111.txt, 112.txt, 113.txt, 114.txt, 115.txt, 116.txt, 117.txt, 118.txt, 119.txt, 120.txt, 121.txt, 122.txt, 123.txt, 124.txt, 125.txt
Case Name Status Exec Time Memory
000.txt AC 3 ms 592 KB
001.txt AC 3 ms 592 KB
002.txt AC 3 ms 592 KB
003.txt AC 3 ms 592 KB
004.txt AC 3 ms 588 KB
005.txt AC 3 ms 592 KB
006.txt AC 3 ms 592 KB
007.txt AC 3 ms 596 KB
008.txt AC 3 ms 592 KB
009.txt AC 3 ms 592 KB
010.txt AC 15 ms 592 KB
011.txt AC 281 ms 720 KB
012.txt AC 71 ms 592 KB
013.txt AC 3 ms 592 KB
014.txt AC 3 ms 592 KB
015.txt AC 3 ms 592 KB
016.txt AC 3 ms 592 KB
017.txt AC 3 ms 596 KB
018.txt AC 3 ms 592 KB
019.txt AC 3 ms 592 KB
020.txt AC 3 ms 592 KB
021.txt AC 3 ms 592 KB
022.txt AC 3 ms 588 KB
023.txt AC 13 ms 504 KB
024.txt AC 269 ms 592 KB
025.txt AC 71 ms 588 KB
026.txt AC 3 ms 592 KB
027.txt AC 3 ms 592 KB
028.txt AC 3 ms 592 KB
029.txt AC 3 ms 500 KB
030.txt AC 3 ms 500 KB
031.txt AC 3 ms 592 KB
032.txt AC 3 ms 592 KB
033.txt AC 3 ms 504 KB
034.txt AC 3 ms 592 KB
035.txt AC 3 ms 596 KB
036.txt AC 14 ms 592 KB
037.txt AC 288 ms 592 KB
038.txt AC 69 ms 504 KB
039.txt AC 3 ms 592 KB
040.txt AC 3 ms 596 KB
041.txt AC 3 ms 592 KB
042.txt AC 3 ms 588 KB
043.txt AC 3 ms 592 KB
044.txt AC 3 ms 588 KB
045.txt AC 3 ms 588 KB
046.txt AC 3 ms 588 KB
047.txt AC 3 ms 592 KB
048.txt AC 3 ms 592 KB
049.txt AC 13 ms 588 KB
050.txt AC 279 ms 624 KB
051.txt AC 69 ms 592 KB
052.txt AC 3 ms 500 KB
053.txt AC 3 ms 588 KB
054.txt AC 3 ms 596 KB
055.txt AC 3 ms 592 KB
056.txt AC 3 ms 592 KB
057.txt AC 3 ms 592 KB
058.txt AC 3 ms 592 KB
059.txt AC 3 ms 496 KB
060.txt AC 3 ms 592 KB
061.txt AC 3 ms 584 KB
062.txt AC 14 ms 592 KB
063.txt AC 286 ms 596 KB
064.txt AC 75 ms 592 KB
065.txt AC 3 ms 592 KB
066.txt AC 3 ms 592 KB
067.txt AC 3 ms 592 KB
068.txt AC 3 ms 592 KB
069.txt AC 3 ms 592 KB
070.txt AC 3 ms 592 KB
071.txt AC 3 ms 592 KB
072.txt AC 3 ms 592 KB
073.txt AC 3 ms 588 KB
074.txt AC 3 ms 596 KB
075.txt AC 13 ms 592 KB
076.txt AC 285 ms 592 KB
077.txt AC 74 ms 500 KB
078.txt AC 3 ms 500 KB
079.txt AC 3 ms 592 KB
080.txt AC 3 ms 592 KB
081.txt AC 3 ms 592 KB
082.txt AC 3 ms 500 KB
083.txt AC 3 ms 588 KB
084.txt AC 3 ms 592 KB
085.txt AC 3 ms 596 KB
086.txt AC 3 ms 596 KB
087.txt AC 3 ms 588 KB
088.txt AC 14 ms 592 KB
089.txt AC 283 ms 592 KB
090.txt AC 67 ms 592 KB
091.txt AC 3 ms 592 KB
092.txt AC 3 ms 592 KB
093.txt AC 3 ms 592 KB
094.txt AC 3 ms 592 KB
095.txt AC 3 ms 592 KB
096.txt AC 3 ms 592 KB
097.txt AC 3 ms 588 KB
098.txt AC 3 ms 592 KB
099.txt AC 3 ms 592 KB
100.txt AC 3 ms 596 KB
101.txt AC 14 ms 592 KB
102.txt AC 285 ms 680 KB
103.txt AC 72 ms 592 KB
104.txt AC 3 ms 500 KB
105.txt AC 3 ms 596 KB
106.txt AC 3 ms 596 KB
107.txt AC 3 ms 592 KB
108.txt AC 3 ms 596 KB
109.txt AC 3 ms 592 KB
110.txt AC 3 ms 592 KB
111.txt AC 3 ms 588 KB
112.txt AC 3 ms 592 KB
113.txt AC 3 ms 592 KB
114.txt AC 14 ms 592 KB
115.txt AC 278 ms 592 KB
116.txt AC 74 ms 592 KB
117.txt AC 2 ms 592 KB
118.txt AC 2 ms 588 KB
119.txt AC 2 ms 592 KB
120.txt AC 2 ms 504 KB
121.txt AC 2 ms 588 KB
122.txt AC 2 ms 596 KB
123.txt AC 2 ms 592 KB
124.txt AC 2 ms 628 KB
125.txt AC 3 ms 632 KB