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ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#76868 | #5503. Euclidean Algorithm | TerryWang | Compile Error | / | / | C11 | 1.0kb | 2023-02-12 14:22:09 | 2023-02-12 14:22:12 |
Judging History
你现在查看的是最新测评结果
- [2023-08-10 23:21:45]
- System Update: QOJ starts to keep a history of the judgings of all the submissions.
- [2023-02-12 14:22:12]
- 评测
- 测评结果:Compile Error
- 用时:0ms
- 内存:0kb
- [2023-02-12 14:22:09]
- 提交
answer
#include<stdio.h>
typedef long long ll;
signed main(){
int T=1;
scanf("%d",&T);
for(;T--;){
ll n;
scanf("%lld",&n);
// if(n>10'000'000'000)n=10'000'000'000;
// auto brute1=[&](){
// ll res=0;
// for(ll g=1;g<=n;++g){
// for(ll i=1;i*g<=n;++i){
// for(ll j=i+1;j*g<=n;++j){
// if(!((j-1)%i))++res;
// }
// }
// }
// // std::cerr<<res<<'\n';
// return res;
// };
// auto brute2=[&](){
// ll res=0;
// for(ll g=1;g<=n;++g){
// for(ll i=1;i*g<=n;++i){
// res+=((n/g)-1)/i;
// }
// }
// // std::cerr<<res<<'\n';
// return res;
// };
// assert(brute1()==brute2());
ll ans=0;
for(ll l=1,r;l<=n;l=r+1){
ll val=n/l;
r=n/val;
{
ll res=0;
for(ll l=1,r;l<=(val-1);l=r+1){
// ++time;
ll val2=(val-1)/l;
r=(val-1)/val2;
res+=val2*ll(r-l+1);
}
ans+=res*ll(r-l+1);
}
}
// assert(ans==brute2());
printf("%lld\n",ans);
// std::cerr<<time<<'\n';
}
}
Details
answer.code: In function ‘main’: answer.code:44:16: error: expected expression before ‘ll’ res+=val2*ll(r-l+1); ^~ answer.code:46:14: error: expected expression before ‘ll’ ans+=res*ll(r-l+1); ^~ answer.code:6:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&T); ^~~~~~~~~~~~~~ answer.code:9:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&n); ^~~~~~~~~~~~~~~~