| Task: | Tontti |
| Sender: | jlaire |
| Submission time: | 2015-10-10 18:31:19 +0300 |
| Language: | C++ |
| Status: | READY |
| Result: | 33 |
| subtask | verdict | score |
|---|---|---|
| #1 | WRONG ANSWER | 0 |
| #2 | ACCEPTED | 33 |
| #3 | TIME LIMIT EXCEEDED | 0 |
| test | verdict | time | subtask | |
|---|---|---|---|---|
| #1 | WRONG ANSWER | 0.05 s | 1 | details |
| #2 | ACCEPTED | 0.06 s | 1 | details |
| #3 | ACCEPTED | 0.06 s | 1 | details |
| #4 | ACCEPTED | 0.06 s | 1 | details |
| #5 | ACCEPTED | 0.06 s | 1 | details |
| #6 | ACCEPTED | 0.17 s | 2 | details |
| #7 | ACCEPTED | 0.17 s | 2 | details |
| #8 | ACCEPTED | 0.19 s | 2 | details |
| #9 | ACCEPTED | 0.17 s | 2 | details |
| #10 | ACCEPTED | 0.15 s | 2 | details |
| #11 | TIME LIMIT EXCEEDED | -- | 3 | details |
| #12 | TIME LIMIT EXCEEDED | -- | 3 | details |
| #13 | TIME LIMIT EXCEEDED | -- | 3 | details |
| #14 | TIME LIMIT EXCEEDED | -- | 3 | details |
| #15 | TIME LIMIT EXCEEDED | -- | 3 | details |
Code
#include <algorithm>
#include <iostream>
#include <vector>
int main(){
int n,m,x;std::cin>>n>>m>>x;
std::vector<std::vector<int>>C(n+1,std::vector<int>(m+1));
for(int i=1;i<=n;++i){
for(int j=1;j<=m;++j){
char c;std::cin>>c;
C[i][j]=C[i][j-1]+C[i-1][j]-C[i-1][j-1];
C[i][j]+=c=='*';
}
}
#define TREES(i,j,z) C[i][j]-C[i][(j)-(z)]-C[(i)-(z)][j]+C[(i)-(z)][(j)-(z)]
int count=0;
for(int i=1;i<=n;++i){
for(int j=1;j<=m;++j){
int maxz=std::min(i,j);
int hi=0,lo=0;
for(int step=maxz/2;step;step/=2){
while(hi+step<=maxz&&TREES(i,j,hi+step)<=x)++hi;
while(lo+step<=maxz&&TREES(i,j,lo+step)<x)++lo;
}
if(TREES(i,j,hi)!=x)continue;
count+=hi-lo;
}
}
std::cout<<count<<'\n';
}
Test details
Test 1
Subtask: 1
Verdict: WRONG ANSWER
| input |
|---|
| 10 10 1 ......*... .......*.. *..*....*. *....*.... ... |
| correct output |
|---|
| 94 |
| user output |
|---|
| 91 |
Test 2
Subtask: 1
Verdict: ACCEPTED
| input |
|---|
| 10 10 5 ********** ********** ********** ********** ... |
| correct output |
|---|
| 0 |
| user output |
|---|
| 0 |
Test 3
Subtask: 1
Verdict: ACCEPTED
| input |
|---|
| 10 10 10 **...*...* *..*.**.*. ...**.*..* *...**.*.. ... |
| correct output |
|---|
| 4 |
| user output |
|---|
| 4 |
Test 4
Subtask: 1
Verdict: ACCEPTED
| input |
|---|
| 10 10 5 ****...... *.*.**..** ....*.*..* ...*.***.. ... |
| correct output |
|---|
| 16 |
| user output |
|---|
| 16 |
Test 5
Subtask: 1
Verdict: ACCEPTED
| input |
|---|
| 10 10 2 **.***..*. ...*.*.... .***.*...* ***.***..* ... |
| correct output |
|---|
| 30 |
| user output |
|---|
| 30 |
Test 6
Subtask: 2
Verdict: ACCEPTED
| input |
|---|
| 500 500 1 ................................. |
| correct output |
|---|
| 9552040 |
| user output |
|---|
| 9552040 |
Test 7
Subtask: 2
Verdict: ACCEPTED
| input |
|---|
| 500 500 5 ................................. |
| correct output |
|---|
| 1536063 |
| user output |
|---|
| 1536063 |
Test 8
Subtask: 2
Verdict: ACCEPTED
| input |
|---|
| 500 500 25000 **...*...**..*.*..*.**.*..*.*.... |
| correct output |
|---|
| 288 |
| user output |
|---|
| 288 |
Test 9
Subtask: 2
Verdict: ACCEPTED
| input |
|---|
| 500 500 12500 **.**.*..*...*.**...*.***........ |
| correct output |
|---|
| 786 |
| user output |
|---|
| 786 |
Test 10
Subtask: 2
Verdict: ACCEPTED
| input |
|---|
| 500 500 5000 .*.*.**..*.*.**.**..*..**...*.... |
| correct output |
|---|
| 1763 |
| user output |
|---|
| 1763 |
Test 11
Subtask: 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 2000 2000 1 ................................. |
| correct output |
|---|
| 489611392 |
| user output |
|---|
| (empty) |
Test 12
Subtask: 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 2000 2000 5 ................................. |
| correct output |
|---|
| 120725884 |
| user output |
|---|
| (empty) |
Test 13
Subtask: 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 2000 2000 400000 ..*..**.**.**.*.***...**.*..**... |
| correct output |
|---|
| 1849 |
| user output |
|---|
| (empty) |
Test 14
Subtask: 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 2000 2000 200000 ***.*....*.*..*....**..*..*.*.... |
| correct output |
|---|
| 2665 |
| user output |
|---|
| (empty) |
Test 15
Subtask: 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 2000 2000 80000 **.**...*.***.**....**.*....*.... |
| correct output |
|---|
| 5587 |
| user output |
|---|
| (empty) |