結果
| 問題 |
No.866 レベルKの正方形
|
| コンテスト | |
| ユーザー |
MarcusAureliusAntoninus
|
| 提出日時 | 2019-08-16 23:30:52 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 2,532 ms / 6,000 ms |
| コード長 | 1,575 bytes |
| コンパイル時間 | 2,355 ms |
| コンパイル使用メモリ | 203,896 KB |
| 最終ジャッジ日時 | 2025-01-07 13:00:23 |
|
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 22 |
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:38:20: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 2 has type ‘int64_t’ {aka ‘long int’} [-Wformat=]
38 | printf("%lld\n", ans);
| ~~~^ ~~~
| | |
| | int64_t {aka long int}
| long long int
| %ld
main.cpp:14:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
14 | scanf("%d%d%d", &H, &W, &K);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~
main.cpp:20:30: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
20 | scanf(" %c", &c);
| ~~~~~^~~~~~~~~~~
ソースコード
#include <bits/stdc++.h>
using vi26 = std::vector<std::array<int, 26>>;
using vvi26 = std::vector<vi26>;
int H, W, K;
vvi26 table;
int scaleCount(int, int, int);
int calcLevel(int, int, int, int);
int main()
{
scanf("%d%d%d", &H, &W, &K);
table.resize(H + 1, vi26(W + 1));
for (int h{1}; h <= H; h++)
for (int w{1}; w <= W; w++)
{
char c;
scanf(" %c", &c);
table[h][w][c - 'a']++;
}
for (int h{1}; h <= H; h++)
for (int w{1}; w <= W; w++)
for (int c{}; c < 26; c++)
table[h][w][c] += table[h][w - 1][c];
for (int h{1}; h <= H; h++)
for (int w{}; w <= W; w++)
for (int c{}; c < 26; c++)
table[h][w][c] += table[h - 1][w][c];
int64_t ans{};
for (int h{H - 1}; h > 0; h--)
ans += scaleCount(h, 0, K) - scaleCount(h, 0, K + 1);
ans += scaleCount(0, 0, K) - scaleCount(0, 0, K + 1);
for (int w{W}; w > 0; w--)
ans += scaleCount(0, w, K) - scaleCount(0, w, K + 1);
printf("%lld\n", ans);
return 0;
}
int scaleCount(int begin_h, int begin_w, int K)
{
int ans{};
for (int right{1}, left{}; begin_h + right <= H && begin_w + right <= W; right++)
{
if (calcLevel(begin_h + left, begin_w + left, begin_h + right, begin_w + right) < K) continue;
while (calcLevel(begin_h + left + 1, begin_w + left + 1, begin_h + right, begin_w + right) >= K)
left++;
ans += left + 1;
}
return ans;
}
int calcLevel(int top, int left, int bottom, int right)
{
int level{};
for (int c{}; c < 26; c++)
if (table[bottom][right][c] + table[top][left][c] - table[top][right][c] - table[bottom][left][c] > 0)
level++;
return level;
}
MarcusAureliusAntoninus