QOJ.ac
QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #691940 | #9255. Python Program | Core_65536# | AC ✓ | 4ms | 3612kb | C++20 | 3.2kb | 2024-10-31 13:30:00 | 2024-10-31 13:30:03 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define endl '\n'
int sw(char x){
int t=x-'0';
return t;
}
ll fx(ll a,ll b,ll c)
{
if(c>0){
if(b<=a){
return 0;
}
}else{
if(b>=a){
return 0;
}
}
// cout<<a<<" "<<b<<" "<<c<<endl;
if(a>b)
{
// 5 1 -2
// 5 4 3 2
ll k=(a-(b+1))/(-c);
ll head=a;
ll ed=a-k*(-c);
return (head+ed)*(k+1)/2;
// int k=a-b;
// int t=k/(-c);
// return (a+a+(t-1)*c)*(-c)/2;
}
else if(a<b)
{
ll k=(b-1-a)/c;
ll head=a;
ll ed=a+k*c;
return (head+ed)*(k+1)/2;
}
return 0;
}
void solve()
{
string s;
cin>>s;
cin>>s;
string a;
cin>>a;
cin>>s;
string range1;
cin>>range1;
int arg[4];
memset(arg,0,sizeof(arg));
for(int i=6,j=0;i<range1.size();i++){
if(range1[i]==')'){
break;
}
if(range1[i]==','){
j++;
continue;
}
if(range1[i]=='-'){
i++;
arg[j]=-sw(range1[i]);
continue;
}
arg[j]=arg[j]*10+sw(range1[i]);
}
if(arg[2]==0){
arg[2]=1;
}
cin>>s;
cin>>s;
cin>>s;
string range2;
cin>>range2;
int brg[4];
memset(brg,0,sizeof(brg));
vector<int > vis(4,0);
for(int i=6,j=0;i<range2.size();i++){
if(range2[i]==')'){
break;
}
if(range2[i]==','){
j++;
continue;
}
if(range2[i]==a[0]){
vis[j]=1;
continue;
}
if(range2[i]=='-'){
i++;
brg[j]=-sw(range2[i]);
continue;
}
brg[j]=brg[j]*10+sw(range2[i]);
}
if(brg[2]==0){
brg[2]=1;
}
cin>>s;
cin>>s;
// for(int i=0;i<3;i++){
// cout<<arg[i]<<" ";
// }
// cout<<endl;
// for(int i=0;i<3;i++){
// cout<<brg[i]<<" ";
// }
// cout<<endl;
ll ans=0;
if(arg[1]>=arg[0]){
for(int i=arg[0];i<arg[1];i+=arg[2]){
int d,e,f;
d=brg[0];
e=brg[1];
f=brg[2];
if(vis[0]==1){
d=i;
}
if(vis[1]==1){
e=i;
}
if(vis[2]==1){
f=i;
}
ans+=fx(d,e,f);
}
}else{
for(int i=arg[0];i>arg[1];i+=arg[2]){
int d,e,f;
d=brg[0];
e=brg[1];
f=brg[2];
if(vis[0]==1){
d=i;
}
if(vis[1]==1){
e=i;
}
if(vis[2]==1){
f=i;
}
ans+=fx(d,e,f);
// cout<<d<<" "<<e<<" "<<f<<"\n";
}
}
cout<<ans<<"\n";
}
int main (){
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t=1;
// cin>>t;
while(t--){
solve();
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3612kb
input:
ans=0
for a in range(1,3):
for b in range(5,1,-2):
ans+=b
print(ans)
output:
16
result:
ok single line: '16'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3548kb
input:
ans=0
for q in range(100,50,-1):
for i in range(q,77,20):
ans+=i
print(ans)
output:
2092
result:
ok single line: '2092'
Test #3:
score: 0
Accepted
time: 4ms
memory: 3612kb
input:
ans=0
for i in range(1,1000000):
for j in range(i,1,-1):
ans+=j
print(ans)
output:
166666666665500001
result:
ok single line: '166666666665500001'
Test #4:
score: 0
Accepted
time: 1ms
memory: 3548kb
input:
ans=0
for i in range(31,321983,2):
for j in range(313,382193):
ans+=j
print(ans)
output:
11756963404587200
result:
ok single line: '11756963404587200'
Test #5:
score: 0
Accepted
time: 3ms
memory: 3548kb
input:
ans=0
for i in range(1,1000000):
for j in range(i,114514,-1):
ans+=j
print(ans)
output:
160610445975856765
result:
ok single line: '160610445975856765'
Extra Test:
score: 0
Extra Test Passed