QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #39730 | #2944. Transporting Spaghetti | Langdao_Zhang | WA | 3ms | 3692kb | C++ | 829b | 2022-07-13 09:19:43 | 2022-07-13 09:19:45 |
Judging History
answer
#include<iostream>
#include<algorithm>
#define lint int64_t
#define gcd __gcd
#define inf 998244353
using
namespace
std;
lint a,b,c,d;
lint x,y;
/*
ax-by=d
by>=c
by<=ax
*/
bool judge(){
//31 13 50 28
if(a*x-d<0) return false;
if((a*x-d)%b) return false;
y=(a*x-d)/b;
if(b*y>a*x) return false;
return b*y>=c;
}
signed main(){
cin>>a>>b>>c>>d;
for(x=0;x<200;x++){
if(judge()){
goto print;
}
}
x=y=inf;
print:
if(x==inf){
printf("No solution.\n");
}
else{
printf("We need %lld truck",x);
if(x!=1) putchar('s');
printf(" and %lld boat",y);
if(y!=1) putchar('s');
printf(".\n");
}
end:
return EOF+1;
}
/*
31 13 50 28
100 20 30 10
1 1 1 100
100 1 99 1
100 1 23 99
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 3ms
memory: 3656kb
input:
31 13 50 28
output:
We need 3 trucks and 5 boats.
result:
ok single line: 'We need 3 trucks and 5 boats.'
Test #2:
score: 0
Accepted
time: 2ms
memory: 3548kb
input:
100 20 30 10
output:
No solution.
result:
ok single line: 'No solution.'
Test #3:
score: 0
Accepted
time: 2ms
memory: 3596kb
input:
1 1 1 100
output:
We need 101 trucks and 1 boat.
result:
ok single line: 'We need 101 trucks and 1 boat.'
Test #4:
score: 0
Accepted
time: 2ms
memory: 3572kb
input:
20 5 5 15
output:
We need 1 truck and 1 boat.
result:
ok single line: 'We need 1 truck and 1 boat.'
Test #5:
score: 0
Accepted
time: 3ms
memory: 3684kb
input:
100 20 100 100
output:
We need 2 trucks and 5 boats.
result:
ok single line: 'We need 2 trucks and 5 boats.'
Test #6:
score: 0
Accepted
time: 2ms
memory: 3588kb
input:
1 1 0 0
output:
We need 0 trucks and 0 boats.
result:
ok single line: 'We need 0 trucks and 0 boats.'
Test #7:
score: 0
Accepted
time: 2ms
memory: 3644kb
input:
1 5 10 50
output:
We need 60 trucks and 2 boats.
result:
ok single line: 'We need 60 trucks and 2 boats.'
Test #8:
score: 0
Accepted
time: 3ms
memory: 3692kb
input:
100 1 100 100
output:
We need 2 trucks and 100 boats.
result:
ok single line: 'We need 2 trucks and 100 boats.'
Test #9:
score: -100
Wrong Answer
time: 2ms
memory: 3412kb
input:
1 1 100 100
output:
No solution.
result:
wrong answer 1st lines differ - expected: 'We need 200 trucks and 100 boats.', found: 'No solution.'