Task: | Tontti |
Sender: | Hansuzu |
Submission time: | 2015-09-30 10:41:42 +0300 |
Language: | C++ |
Status: | READY |
Result: | 100 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 14 |
#2 | ACCEPTED | 33 |
#3 | ACCEPTED | 53 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.06 s | 1 | details |
#2 | ACCEPTED | 0.05 s | 1 | details |
#3 | ACCEPTED | 0.04 s | 1 | details |
#4 | ACCEPTED | 0.05 s | 1 | details |
#5 | ACCEPTED | 0.06 s | 1 | details |
#6 | ACCEPTED | 0.07 s | 2 | details |
#7 | ACCEPTED | 0.07 s | 2 | details |
#8 | ACCEPTED | 0.06 s | 2 | details |
#9 | ACCEPTED | 0.06 s | 2 | details |
#10 | ACCEPTED | 0.08 s | 2 | details |
#11 | ACCEPTED | 0.49 s | 3 | details |
#12 | ACCEPTED | 0.51 s | 3 | details |
#13 | ACCEPTED | 0.43 s | 3 | details |
#14 | ACCEPTED | 0.42 s | 3 | details |
#15 | ACCEPTED | 0.43 s | 3 | details |
Code
#include <iostream>using namespace std;int n, m, x;string f[2020];int fi[2020][2020];int sv[2020][2020];int sh[2020][2020];int sb[2020][2020];int ilen(int a){int r=1; a/=10;while (a){ ++r; a/=10;}return r;}int main(){ios_base::sync_with_stdio(0); cin.tie(0);cin >> n >> m >> x;for (int i=0; i<n; ++i)cin >> f[i];for (int i=1; i<=n; ++i) for (int j=1; j<=m; ++j) fi[i][j]=(f[i-1][j-1]=='*')?1:0;for (int i=1; i<=n; ++i)for (int j=1; j<=m; ++j) sv[i][j]=sv[i][j-1]+fi[i][j];for (int j=1; j<=m; ++j)for (int i=1; i<=n; ++i) sh[i][j]=sh[i-1][j]+fi[i][j];for (int i=1; i<=n; ++i)for (int j=1; j<=m; ++j)sb[i][j]=sb[i-1][j-1]+sv[i][j-1]+sh[i-1][j]+fi[i][j];unsigned int ans=0;for (int i=1; i<=n; ++i){for (int j=1; j<=m; ++j){int a0=0; int b0=min(n-i, m-j);while (a0<b0){int md=(a0+b0)/2;if (sb[i-1][j-1]+sb[i+md][j+md]-sb[i-1][j+md]-sb[i+md][j-1]<x)a0=md+1;elseb0=md;}if (sb[i-1][j-1]+sb[i+a0][j+a0]-sb[i-1][j+a0]-sb[i+a0][j-1]<x) ++a0;int a1=0; int b1=min(n-i, m-j);while (a1<b1){int md=(a1+b1+1)/2;if (sb[i-1][j-1]+sb[i+md][j+md]-sb[i-1][j+md]-sb[i+md][j-1]>x)b1=md-1;elsea1=md;}if (sb[i-1][j-1]+sb[i+a1][j+a1]-sb[i-1][j+a1]-sb[i+a1][j-1]>x) --a1;ans+=a1+1-a0;}}cout << ans << "\n";}
Test details
Test 1
Group: 1
Verdict: ACCEPTED
input |
---|
10 10 1 ......*... .......*.. *..*....*. *....*.... ... |
correct output |
---|
94 |
user output |
---|
94 |
Test 2
Group: 1
Verdict: ACCEPTED
input |
---|
10 10 5 ********** ********** ********** ********** ... |
correct output |
---|
0 |
user output |
---|
0 |
Test 3
Group: 1
Verdict: ACCEPTED
input |
---|
10 10 10 **...*...* *..*.**.*. ...**.*..* *...**.*.. ... |
correct output |
---|
4 |
user output |
---|
4 |
Test 4
Group: 1
Verdict: ACCEPTED
input |
---|
10 10 5 ****...... *.*.**..** ....*.*..* ...*.***.. ... |
correct output |
---|
16 |
user output |
---|
16 |
Test 5
Group: 1
Verdict: ACCEPTED
input |
---|
10 10 2 **.***..*. ...*.*.... .***.*...* ***.***..* ... |
correct output |
---|
30 |
user output |
---|
30 |
Test 6
Group: 2
Verdict: ACCEPTED
input |
---|
500 500 1 ................................. |
correct output |
---|
9552040 |
user output |
---|
9552040 |
Test 7
Group: 2
Verdict: ACCEPTED
input |
---|
500 500 5 ................................. |
correct output |
---|
1536063 |
user output |
---|
1536063 |
Test 8
Group: 2
Verdict: ACCEPTED
input |
---|
500 500 25000 **...*...**..*.*..*.**.*..*.*.... |
correct output |
---|
288 |
user output |
---|
288 |
Test 9
Group: 2
Verdict: ACCEPTED
input |
---|
500 500 12500 **.**.*..*...*.**...*.***........ |
correct output |
---|
786 |
user output |
---|
786 |
Test 10
Group: 2
Verdict: ACCEPTED
input |
---|
500 500 5000 .*.*.**..*.*.**.**..*..**...*.... |
correct output |
---|
1763 |
user output |
---|
1763 |
Test 11
Group: 3
Verdict: ACCEPTED
input |
---|
2000 2000 1 ................................. |
correct output |
---|
489611392 |
user output |
---|
489611392 |
Test 12
Group: 3
Verdict: ACCEPTED
input |
---|
2000 2000 5 ................................. |
correct output |
---|
120725884 |
user output |
---|
120725884 |
Test 13
Group: 3
Verdict: ACCEPTED
input |
---|
2000 2000 400000 ..*..**.**.**.*.***...**.*..**... |
correct output |
---|
1849 |
user output |
---|
1849 |
Test 14
Group: 3
Verdict: ACCEPTED
input |
---|
2000 2000 200000 ***.*....*.*..*....**..*..*.*.... |
correct output |
---|
2665 |
user output |
---|
2665 |
Test 15
Group: 3
Verdict: ACCEPTED
input |
---|
2000 2000 80000 **.**...*.***.**....**.*....*.... |
correct output |
---|
5587 |
user output |
---|
5587 |