Submission #1000912
Source Code Expand
#include <string> #include <vector> #include <cstdio> #include <cstdlib> #include <cmath> #include <algorithm> #include <queue> #include <map> #include <set> #include <iostream> #include <sstream> #include <cstring> #include <numeric> using namespace std; typedef long long ll; typedef pair<int,int> pii; #define F0(i,n) for (int i = 0; i < n; i++) #define F1(i,n) for (int i = 1; i <= n; i++) #define CL(a,x) memset(x, a, sizeof(x)); #define SZ(x) ((int)x.size()) const double eps = 1e-10; const int inf = 1000000009; int i, j, k, m, n, l; int ans; int x[15], y[15], a[15]; double d[15][15], e[15], dp[15][1<<15]; int ok(double R) { F0(i, n) e[i] = a[i] - R; F0(i, n) F0(j, (1 << n)) dp[i][j] = -1e100; F0(i, n) dp[i][(1 << i)] = e[i]; F0(mask, (1 << n)) F0(i, n) if ((1 << i)&mask) { F0(j, n) if (((1 << j)&mask) == 0) { int mm = mask | (1 << j); if (dp[i][mask] >= 0) { dp[j][mm] = max(dp[j][mm], e[j]); } //if (e[i] < 0 && e[j] < 0) continue; //if (e[i] >= 0 && e[j] >= 0) continue; double total = dp[i][mask] + e[j] - d[i][j]; dp[i][mm] = max(dp[i][mm], total); dp[j][mm] = max(dp[j][mm], total); } } F0(i, n) if (dp[i][(1 << n) - 1] >= 0) return 1; return 0; } int main() { //freopen("x.in", "r", stdin); cin >> n; F0(i, n) { cin >> x[i] >> y[i] >> a[i]; } F0(i, n) F0(j, n) d[i][j] = hypot(1.0*x[i] - x[j], 1.0*y[i] - y[j]); double P = 0.0, Q = 0, R; F0(i, n) Q = max(Q, 1.0 * a[i]); F0(it, 50) { R = (P + Q) / 2; if (ok(R)) P = R; else Q = R; } printf("%.10lf\n", P); return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - Water Distribution |
User | USA |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1628 Byte |
Status | WA |
Exec Time | 920 ms |
Memory | 4224 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 1000 | ||||||
Status |
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Set Name | Test Cases |
---|---|
Sample | example0.txt, example1.txt |
All | 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, 024.txt, 025.txt, 026.txt, 027.txt, 028.txt, 029.txt, 030.txt, 031.txt, 032.txt, 033.txt, 034.txt, 035.txt, 036.txt, 037.txt, 038.txt, 039.txt, 040.txt, 041.txt, 042.txt, 043.txt, example0.txt, example1.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
000.txt | AC | 902 ms | 4096 KB |
001.txt | AC | 895 ms | 4096 KB |
002.txt | AC | 904 ms | 4224 KB |
003.txt | AC | 895 ms | 4096 KB |
004.txt | AC | 903 ms | 4096 KB |
005.txt | WA | 895 ms | 4224 KB |
006.txt | WA | 898 ms | 4224 KB |
007.txt | AC | 892 ms | 4096 KB |
008.txt | AC | 908 ms | 4096 KB |
009.txt | WA | 895 ms | 4096 KB |
010.txt | AC | 889 ms | 4224 KB |
011.txt | WA | 900 ms | 4096 KB |
012.txt | AC | 898 ms | 4096 KB |
013.txt | WA | 897 ms | 4096 KB |
014.txt | WA | 899 ms | 4096 KB |
015.txt | WA | 899 ms | 4096 KB |
016.txt | AC | 905 ms | 4096 KB |
017.txt | AC | 895 ms | 4096 KB |
018.txt | AC | 895 ms | 4096 KB |
019.txt | WA | 900 ms | 4096 KB |
020.txt | AC | 896 ms | 4096 KB |
021.txt | AC | 891 ms | 4096 KB |
022.txt | AC | 880 ms | 4096 KB |
023.txt | AC | 884 ms | 4096 KB |
024.txt | AC | 897 ms | 4096 KB |
025.txt | AC | 883 ms | 4096 KB |
026.txt | AC | 890 ms | 4096 KB |
027.txt | AC | 885 ms | 4096 KB |
028.txt | AC | 889 ms | 4096 KB |
029.txt | AC | 891 ms | 4096 KB |
030.txt | AC | 896 ms | 4096 KB |
031.txt | AC | 889 ms | 4096 KB |
032.txt | AC | 891 ms | 4096 KB |
033.txt | AC | 891 ms | 4096 KB |
034.txt | AC | 914 ms | 4096 KB |
035.txt | AC | 920 ms | 4096 KB |
036.txt | AC | 916 ms | 4096 KB |
037.txt | AC | 918 ms | 4096 KB |
038.txt | AC | 918 ms | 4096 KB |
039.txt | AC | 917 ms | 4096 KB |
040.txt | AC | 2 ms | 384 KB |
041.txt | AC | 2 ms | 256 KB |
042.txt | AC | 2 ms | 256 KB |
043.txt | WA | 4 ms | 256 KB |
example0.txt | AC | 2 ms | 256 KB |
example1.txt | AC | 896 ms | 4096 KB |