QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#635941 | #7744. Elevator | Yurily | WA | 17ms | 5988kb | C++20 | 1.5kb | 2024-10-12 21:32:44 | 2024-10-12 21:32:45 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int MAX=1e5+5;
int T;
struct node{
long long h,num,w;
};
node c[MAX];
int n,p;
long long k;
void findodd(){
while(p<=n&&!(c[p].w==1&&c[p].num))
p++;
}
// 快读
long long read(){
long long x = 0, f = 1;
char c = getchar();
while(c < '0' || c > '9'){
if(c == '-'){
f = -1;
}
c = getchar();
}
while(c >= '0' && c <= '9'){
x = x*10+c-'0';
c = getchar();
}
return x*f;
}
bool cmp(node x,node y){
return x.h>y.h;
}
void solve(){
n=read(),k=read();
for(int i=1;i<=n;++i){
c[i].num=read(),c[i].w=read(),c[i].h=read();
}
sort(c+1,c+1+n,cmp);
int cur=0;
p=1;
long long ans=0;
while(cur<n){
if(c[cur+1].num==0){
cur++;
continue;
}
long long sum=0;
if(c[cur+1].num*c[cur+1].w<=k){
ans+=c[cur+1].h;
long long sum=0;
while(cur<n&&sum+c[cur+1].num*c[cur+1].w<=k){
sum+=c[cur+1].num*c[cur+1].w;
c[cur+1].num=0;
cur++;
}
// cout<<cur<<endl;
long long t=k-sum;
if(cur<n){
long long cnt=t/c[cur+1].w;
c[cur+1].num-=cnt;
if(sum<k){
findodd();
if(p!=n+1){
c[p].num--;
}
}
}
}
else{
long long t=c[cur+1].num*c[cur+1].w/k;
ans+=c[cur+1].h*t;
c[cur+1].num-=t*k/c[cur+1].w;
}
}
if(c[n].num){
long long t=c[n].num*c[n].w/k;
if(c[n].num*c[n].w%k)
t++;
ans+=t*c[n].h;
}
cout<<ans<<endl;
}
int main(){
cin>>T;
while(T--){
solve();
}
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3700kb
input:
2 4 6 1 1 8 7 2 5 1 1 7 3 2 6 8 1200000 100000 1 100000 100000 1 12345 100000 2 100000 100000 2 12345 100000 1 100000 100000 1 12345 100000 2 100000 100000 2 12345
output:
24 100000
result:
ok 2 lines
Test #2:
score: -100
Wrong Answer
time: 17ms
memory: 5988kb
input:
5501 8 104 5 2 3 6 2 4 5 2 3 6 2 9 8 2 4 2 1 3 7 2 4 8 2 8 1 290 3 1 1 12 12 6 1 2 1 2 2 1 1 2 1 2 4 6 1 1 1 2 5 6 1 4 4 1 4 6 2 4 6 2 5 4 2 5 4 1 4 5 334 1 1 4 1 2 3 4 2 1 5 1 1 2 1 2 13 218 5 2 3 5 1 4 1 2 1 1 2 5 3 2 2 1 1 3 4 2 2 1 2 5 2 2 1 2 1 5 3 2 1 5 2 1 1 1 4 10 260 7 2 1 5 1 1 5 2 4 6 1 6...
output:
9 1 21 4 5 7 1 3 9 6 1 10 4 9 17 6 4 1 8 5 5 7 1 3 23 6 3 3 2 2 2 3 8 1 5 6 9 11 147 7 10 2 7 7 8 6 5 5 1 7 3 5 10 7 7 10 8 1 4 2 3 9 1 5 2 9 1 6 7 7 6 10 18 8 10 4 10 9 2 8 3 5 9 3 6 5 3 2 6 1 3 2 2 1 6 9 6 3 4 8 9 9 2 6 1 2 6 7 5 2 5 21 8 1 2 3 4 9 3 4 6 5 9 6 1 7 3 7 3 2 2 8 7 3 5 9 7 10 7 3 2 4 ...
result:
wrong answer 3rd lines differ - expected: '23', found: '21'