Submission #3312275

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Source Code Expand

#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;
int n,to[25],handan[25],tof[25],num[25],ans[25],cnt,ac=-1,now[25],cq;
char name[25][25];
char op[25];
void x1(int v) {
	if(v==n+1) {
		int cc=0;cnt=0;cq=0;
		for(int i=1;i<=n;++i) if(handan[i]==1) ++cc;
		if(cc>ac) {
			ac=cc;
			for(int i=1;i<=ac;++i) if(handan[i]==1) ans[++cnt]=i;
		}
		else if(cc==ac) {
			for(int i=1;i<=cc;++i) if(handan[i]==1) now[++cq]=i;
			for(int i=1;i<=cc;++i) if(strcmp(name[now[i]],name[ans[i]])<0) {
				for(int i=1;i<=ac;++i) if(handan[i]==1) ans[++cnt]=i;break;
			}
		}
		return;
	}
	int zs,zt;
	if((handan[to[v]]==tof[v]||handan[to[v]]==2)&&(handan[v]==1||handan[v]==2)) {zt=handan[v];handan[v]=1;zs=handan[to[v]];handan[to[v]]=tof[v];x1(v+1);handan[to[v]]=zs;handan[v]=zt;}
	if((handan[to[v]]!=tof[v]||handan[to[v]]==2)&&(!handan[v]||handan[v]==2)) {zt=handan[v];handan[v]=0;zs=handan[to[v]];handan[to[v]]=tof[v]^1;x1(v+1);handan[to[v]]=zs;handan[v]=zt;}
}
int main()
{
	scanf("%d",&n);for(int i=1;i<=n;++i) handan[i]=2;
	for(int i=1;i<=n;++i) {scanf("%s",name[i]);num[i]=i;}
	int zs[25],zt[25],fan[25];
	for(int i=1;i<=n;++i) {
		scanf("%s",op);
		for(int j=1;j<=n;++j) if(!strcmp(op,name[j])) {zs[i]=j;break;}
		scanf("%s%s%s",op,op,op);
		if(!strcmp(op,"good")) zt[i]=1;
		else zt[i]=0;scanf("%s",op);
	}
	for(int i=1;i!=n;++i) for(int j=i+1;j<=n;++j) if(strcmp(name[num[i]],name[num[j]])>0) swap(num[i],num[j]);
	for(int i=1;i<=n;++i) fan[num[i]]=i;
	for(int i=1;i<=n;++i) tof[i]=zt[fan[num[i]]],to[i]=zs[fan[num[i]]];
	for(int i=1;i!=n;++i) for(int j=i+1;j<=n;++j) if(strcmp(name[i],name[j])>0) swap(name[i],name[j]);
	x1(1);
	if(ac==-1) puts("No answers");
	else for(int i=1;i<=ac;++i) printf("%s\n",name[i]);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:30:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);for(int i=1;i<=n;++i) handan[i]=2;
                ^
./Main.cpp:31:44: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=n;++i) {scanf("%s",name[i]);num[i]=i;}
                                            ^
./Main.cpp:34:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",op);
                 ^
./Main.cpp:36:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s%s%s",op,op,op);
                           ^
./Main.cpp:38:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-re...

Judge Result