ens-ulm-1-2015

google hashcode 2015 source for team ens-ulm-1
git clone https://a3nm.net/git/ens-ulm-1-2015/
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commit 5ad15d898991b6e4ac082808777e63b4652c13f7
parent 924e12a5f9202d7ea5aacea1ce3dcd96c691e242
Author: Antoine Amarilli <a3nm@a3nm.net>
Date:   Sat, 28 Mar 2015 12:24:47 +0100

first out still problem

Diffstat:
contest/a3nm/main.cpp | 87++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---------
contest/a3nm/out | 400+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 477 insertions(+), 10 deletions(-)

diff --git a/contest/a3nm/main.cpp b/contest/a3nm/main.cpp @@ -6,10 +6,12 @@ using namespace std; -#define MAXN 302 +#define MAXR 77 +#define MAXC 302 #define MAXL 2252 -#define NALT 10 +#define MAXA 10 #define MAXT 402 +#define MAXB 55 int R, C, A; int L, V, B, T; @@ -20,13 +22,15 @@ struct Pt{ Pt(int r=0, int c=0) : r(r), c(c) {} }; -vector<int> coverage[MAXN][MAXN]; +vector<int> coverage[MAXR][MAXC]; // which targets are covered in r c -Pt dest[NALT][MAXN][MAXN]; // where does the wind take us: -1 -1 = out +Pt dest[MAXA][MAXR][MAXC]; // where does the wind take us: -1 -1 = out Pt target[MAXL]; -bool covered[MAXL][MAXT]; // does someone cover target l at time t +bool covered[MAXT][MAXL]; // does someone cover target l at time t + +int solution[MAXT][MAXB]; int columndist(int c1, int c2) { return min(abs(c1 - c2), C - abs(c1 - c2)); @@ -50,12 +54,12 @@ void calccoverage() { int main(int argc, char **argv) { scanf("%d%d%d", &R, &C, &A); - scanf("%d%d%d", &L, &V, &B, &T); + scanf("%d%d%d%d", &L, &V, &B, &T); scanf("%d%d", &rs, &cs); - for (int i = 0; i < L; i++) { + for (int l = 0; l < L; l++) { int r, c; scanf("%d%d", &r, &c); - target[i] = Pt(r, c); + target[l] = Pt(r, c); } for (int a = 0; a < A; a++) for (int r = 0; r < R; r++) @@ -70,12 +74,75 @@ int main(int argc, char **argv) { dest[a][r][c] = Pt(destr, destc); } calccoverage(); + //for (int r = 0; r < R; r++) { + // for (int c = 0; c < C; c++) + // printf("%d ", (int) coverage[r][c].size()); + // printf("\n"); + //} + + int totscore = 0; for (int b = 0; b < B; b++) { // planify loon b - for (int n = 0; + int r = rs, c = cs, a = 0; // current pos + for (int t = 0; t < T; t++) { + //printf("loon %d at time %d is %d %d\n", b, t, r, c); + int best = -2, bestda = 0; + for (int da = -1; da <= 1; da++) { + if (a <= 1 && da == -1) + continue; // don't go back down or go down on ground + if (a + da > A) + continue; // can't go too high + + // compute improvement + Pt next = dest[a + da][r][c]; + int cscore = 0; + // loons on ground and loons out don't help + if (a + da > 0 && next.r >= 0) { + for (unsigned int i = 0; i < coverage[next.r][next.c].size(); i++) { + int l = coverage[next.r][next.c][i]; + cscore += covered[t+1][l] ? 0 : 1; + } + } + if (next.r < 0) { + // out is BAD + cscore = -1; + } + if (cscore > best) { + best = cscore; + bestda = da; + } + } + // ok, apply bestda + a += bestda; + solution[t][b] = bestda; + Pt next = dest[a][r][c]; + r = next.r; + c = next.c; + if (r < 0) { + printf("FAILLL\n"); + break; // loon is out + } + if (a > 0 && r >= 0) { + // update covered targets + for (unsigned int i = 0; i < coverage[r][c].size(); i++) { + int l = coverage[r][c][i]; + totscore += covered[t+1][l] ? 0 : 1; + covered[t+1][l] = true; + } + } + } + } + + // print solution + printf("score %d\n", totscore); + + for (int t = 0; t < T; t++) { + for (int b = 0; b < B; b++) + printf("%d ", solution[t][b]); + printf("\n"); } - + return 0; } diff --git a/contest/a3nm/out 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