Submission #3313892

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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;
            for(int i=1;i<=ac;++i) for(int j=i+1;j<=ac;++j) if(strcmp(name[ans[i]],name[ans[j]])>0) 
			swap(ans[i],ans[j]);
        }
        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) for(int j=i+1;j<=cc;++j) if(strcmp(name[now[i]],name[now[j]])>0) swap(now[i],now[j]);
            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]);
    for(int i=1;i<=n;++i) {
        scanf("%s",op);
        for(int j=1;j<=n;++j) if(!strcmp(op,name[j])) {to[i]=j;break;}
        scanf("%s%s%s",op,op,op);
        if(!strcmp(op,"good")) tof[i]=1;
        else tof[i]=0;scanf("%s",op);
    }
    x1(1);
    if(ac==-1) puts("No answers");
    else for(int i=1;i<=ac;++i) printf("%s\n",name[ans[i]]);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:33:19: 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:34:46: 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]);
                                              ^
./Main.cpp:36:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s",op);
                       ^
./Main.cpp:38:33: 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:40:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_un...

Judge Result