Submission #1132377
Source Code Expand
#include <bits/stdc++.h> #define LL long long #define INF 0x3f3f3f3f using namespace std; template<class T> inline void read(T& x) { int f = 1; x = 0; char ch = getchar(); while (ch < '0' || ch > '9') {if (ch == '-') f = -1; ch = getchar();} while (ch >= '0' && ch <= '9') {x = x * 10 + ch - '0'; ch = getchar();} x *= f; } /*============ Header Template ============*/ const int N = 500 + 5; int n; int a[N][N]; int c[N], d[N], inq[N]; char s[N][N]; queue<int> Q; void SPFA() { for (int i = 1; i <= n; i++) if (d[i] == 0) { Q.push(i); inq[i] = 1; } while (!Q.empty()) { int x = Q.front(); Q.pop(); inq[x] = 0; for (int i = 1; i <= n; i++) if (d[i] > d[x] + 1) { d[i] = d[x] + 1; if (!inq[i]) { Q.push(i); inq[i] = 1; } } } } int main() { read(n); for (int i = 1; i <= n; i++) scanf("%s", s[i] + 1); int mx = 0; for (int i = 1; i <= n; i++) for (int j = 1; j <= n; j++) { a[i][j] = (s[i][j] == '#'); c[i] += a[i][j]; mx = max(mx, c[i]); } if (mx == 0) {printf("-1\n"); return 0;} for (int i = 1; i <= n; i++) d[i] = INF; for (int i = 1; i <= n; i++) for (int j = 1; j <= n; j++) if (a[i][j]) d[j] = 0; SPFA(); int tmp = INF, id = 0; for (int i = 1; i <= n; i++) { if (d[i] != INF && n - c[i] < tmp) { tmp = min(tmp, n - c[i] + d[i]); id = i; } } for (int j = 1; j <= n; j++) { for (int i = 1; i <= n; i++) { if (!a[i][j]) { tmp++; break; } } } printf("%d\n", tmp); return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Row to Column |
User | cicada |
Language | C++14 (GCC 5.4.1) |
Score | 1300 |
Code Size | 1569 Byte |
Status | AC |
Exec Time | 4 ms |
Memory | 1536 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:47:52: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (int i = 1; i <= n; i++) scanf("%s", s[i] + 1); ^
Judge Result
Set Name | Sample | Subtask | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | 1000 / 1000 | ||||||
Status |
|
|
|
Set Name | Test Cases |
---|---|
Sample | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt |
Subtask | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 2_00.txt, 2_01.txt, 2_02.txt, 2_03.txt, 2_04.txt, 2_05.txt, 2_06.txt, 2_07.txt, 2_08.txt, 2_09.txt, 2_10.txt, 2_11.txt, 2_12.txt, 2_13.txt, 2_14.txt, 2_15.txt, 2_16.txt, 2_17.txt, 2_18.txt, 2_19.txt, 2_20.txt, 2_21.txt, 2_22.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 1 ms | 256 KB |
0_01.txt | AC | 1 ms | 256 KB |
0_02.txt | AC | 1 ms | 256 KB |
0_03.txt | AC | 1 ms | 256 KB |
0_04.txt | AC | 1 ms | 256 KB |
1_00.txt | AC | 1 ms | 256 KB |
1_01.txt | AC | 1 ms | 256 KB |
1_02.txt | AC | 1 ms | 256 KB |
1_03.txt | AC | 1 ms | 256 KB |
1_04.txt | AC | 1 ms | 256 KB |
1_05.txt | AC | 1 ms | 256 KB |
1_06.txt | AC | 1 ms | 256 KB |
1_07.txt | AC | 1 ms | 256 KB |
1_08.txt | AC | 1 ms | 256 KB |
1_09.txt | AC | 1 ms | 256 KB |
1_10.txt | AC | 1 ms | 256 KB |
1_11.txt | AC | 1 ms | 256 KB |
1_12.txt | AC | 1 ms | 256 KB |
1_13.txt | AC | 1 ms | 256 KB |
1_14.txt | AC | 1 ms | 256 KB |
2_00.txt | AC | 3 ms | 1536 KB |
2_01.txt | AC | 3 ms | 1536 KB |
2_02.txt | AC | 3 ms | 1536 KB |
2_03.txt | AC | 3 ms | 1536 KB |
2_04.txt | AC | 3 ms | 1536 KB |
2_05.txt | AC | 3 ms | 1536 KB |
2_06.txt | AC | 3 ms | 1536 KB |
2_07.txt | AC | 3 ms | 1280 KB |
2_08.txt | AC | 4 ms | 1536 KB |
2_09.txt | AC | 3 ms | 1408 KB |
2_10.txt | AC | 3 ms | 1408 KB |
2_11.txt | AC | 4 ms | 1536 KB |
2_12.txt | AC | 4 ms | 1408 KB |
2_13.txt | AC | 4 ms | 1408 KB |
2_14.txt | AC | 4 ms | 1408 KB |
2_15.txt | AC | 3 ms | 1408 KB |
2_16.txt | AC | 3 ms | 1408 KB |
2_17.txt | AC | 3 ms | 1280 KB |
2_18.txt | AC | 3 ms | 1280 KB |
2_19.txt | AC | 3 ms | 1408 KB |
2_20.txt | AC | 3 ms | 1280 KB |
2_21.txt | AC | 3 ms | 1280 KB |
2_22.txt | AC | 3 ms | 1536 KB |