1047. Student List for Course (25)
2015-01-29 11:08
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与1039相似
有一个超时
注意:set只能用迭代器访问
#include "cstdio"
#include <set>
#include <string>
#include <string.h>
#define MC 2510
using namespace std;
set <string> cou[MC];
int n,c;
int main(){
freopen("in.txt","r",stdin);
scanf("%d %d",&n,&c);
for(int i=0;i<n;i++){
char name[5];
int all;
scanf("%s %d",name,&all);
for(int i=0;i<all;i++){
int k;
scanf(" %d",&k);
cou[k].insert(name);
}
}
for(int i=1;i<=c;i++){
printf("%d %d\n",i,cou[i].size());
for(set<string>::iterator it=cou[i].begin();it!=cou[i].end();it++){
printf("%s\n",(*it).c_str());
}
}
return 0;
}
与1039相似
有一个超时
注意:set只能用迭代器访问
#include "cstdio"
#include <set>
#include <string>
#include <string.h>
#define MC 2510
using namespace std;
set <string> cou[MC];
int n,c;
int main(){
freopen("in.txt","r",stdin);
scanf("%d %d",&n,&c);
for(int i=0;i<n;i++){
char name[5];
int all;
scanf("%s %d",name,&all);
for(int i=0;i<all;i++){
int k;
scanf(" %d",&k);
cou[k].insert(name);
}
}
for(int i=1;i<=c;i++){
printf("%d %d\n",i,cou[i].size());
for(set<string>::iterator it=cou[i].begin();it!=cou[i].end();it++){
printf("%s\n",(*it).c_str());
}
}
return 0;
}
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