#include<stdio.h>
#include<time.h>
int n,m;
int a[35][35][3];
int an[35];
double d[3][35][250];
double la;
long start;
long end;
int main(){
int i,j,k,in1,in2,in3;
scanf("%d %d",&n,&m);
for(i=1;i<=m;i++){
scanf("%d %d %d",&in1,&in2,&in3);
a[in1][++an[in1]][0]=in2;
a[in1][an[in1]][1]=in3;
}
start = clock();
d[0][0][0]=1;
int i1,i2;
double op;
for(i=0;i<=25000000;++i){
i2=0;
i1=i%200;
if(i1>=100)
i2=1,i1-=100;
if(i1==0){
for(j=0;j<=n;j++)
for(k=0;k<=200;++k)
d[(i2+1)%2][j][k]=0;
}
for(j=0;j<n;++j){
if(an[j]!=0){
op=d[i2][j][i1]/(double)an[j];
for(k=an[j];k>=1;--k){
if(i1+a[j][k][1]>=100)
d[(i2+1)%2][a[j][k][0]][i1+a[j][k][1]-100]+=op;
else
d[i2][a[j][k][0]][i1+a[j][k][1]]+=op;
}
}
}
la+=d[i2][n][i1]*i;
end = clock();
if(end-start>390)
break;
}
printf("%lf",la);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
0 ms |
1304 KB |
times (syscall #100) was called by the program (disallowed syscall) |
| 2 |
Halted |
0 ms |
0 KB |
- |
