Submission #72054

#	Time	Username	Problem	Language	Result	Execution time	Memory
72054		imsifile	Judge Against Wrong Code (FXCUP3_judge)	C++98	49 / 100	1545 ms	2456 KiB

judge

#include<stdio.h>

int X, D, C;
int ors[1<<20], usr[1<<20], bm;
char st[22], chk[505050];

int main(){
	scanf("%d", &X); bm=(1<<X)-1;
	scanf("%d", &D);
	for(int i=D; i--;){
		scanf("\n%s", st);
		int su=0;
		for(int j=0; j<X; j++) if(st[j]=='o') su|=1<<j;
		ors[su]=su;
	}
	scanf("%d", &C);
	for(int i=C; i--;){
		chk[i+1]='x';
		scanf("\n%s", st);
		int su=0;
		for(int j=0; j<X; j++) if(st[j]=='x') su|=1<<j;
		usr[su]++;
	}
	for(int i=bm; i>=0; i--){
		for(int j=0; j<i; j++){
			if((i^bm)&j) continue;
			ors[i] |= ors[j];
			usr[i] += usr[j];
		}
	}
	for(int j=0; j<=bm; j++) if(ors[j]==j) chk[C-usr[bm^j]]='o';
	puts(chk+1);
	return 0;
}

Compilation message (stderr)

judge.cpp: In function 'int main()':
judge.cpp:8:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &X); bm=(1<<X)-1;
  ~~~~~^~~~~~~~~~
judge.cpp:9:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &D);
  ~~~~~^~~~~~~~~~
judge.cpp:11:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("\n%s", st);
   ~~~~~^~~~~~~~~~~~
judge.cpp:16:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &C);
  ~~~~~^~~~~~~~~~
judge.cpp:19:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("\n%s", st);
   ~~~~~^~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 39 / 39
• Subtask 3: 0 / 51