Submission #1177725
Source Code Expand
#pragma GCC target ("arch=sandybridge") #include <unistd.h> #include <string.h> #include <stdio.h> char ibuf[250600]; char *ibufe = ibuf-1; void readall(){ int k, t = 0; while((k=read(STDIN_FILENO, ibuf+t, sizeof(ibuf)-t))>0) t += k; } int read_uint(){ int x=0; while(*(++ibufe) <'0'); do { x *= 10; x += *ibufe-'0'; } while(*(++ibufe) >='0'); return x; } char read_char(){ return *(++ibufe); } char buf[5]; char *bufe = buf; void write_yesno(int b){ if(b){ *bufe++ = 'Y'; *bufe++ = 'e'; *bufe++ = 's'; } else { *bufe++ = 'N'; *bufe++ = 'o'; } *bufe++ = '\n'; } void flush(){ write(STDOUT_FILENO, buf, bufe-buf); } int tree[250000]; int root(int i){ if(tree[i]<0) return i; return tree[i] = root(tree[i]); } void unite(int i, int j){ int ri = root(i); int rj = root(j); if(ri == rj) return; if(tree[ri] == tree[rj]){ tree[rj] = ri; tree[ri]--; } else if(tree[ri] < tree[rj]) tree[rj] = ri; else tree[ri] = rj; } int main(){ int h, w, i, j, s, g, m; memset(tree, -1, sizeof(tree)); readall(); h = read_uint(); w = read_uint(); m = 0; for(i=0;i<h;i++){ int oc; for(j=0;j<w;j++){ char c = read_char(); if(c=='s') s = m; else if(c=='g') g = m; if(c!='#'){ if(i) unite(m-w, m); if(j && oc) unite(m-1, m); oc = 1; } else oc = 0; m++; } read_char(); } write_yesno(root(s) == root(g)); flush(); return 0; }
Submission Info
Submission Time | |
---|---|
Task | A - 深さ優先探索 |
User | ryuhei |
Language | C (GCC 5.4.1) |
Score | 100 |
Code Size | 1607 Byte |
Status | AC |
Exec Time | 5 ms |
Memory | 1408 KB |
Compile Error
./Main.c: In function ‘flush’: ./Main.c:47:3: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Wunused-result] write(STDOUT_FILENO, buf, bufe-buf); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 100 / 100 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 00_sample_05.txt |
All | 00_min_01.txt, 00_min_02.txt, 00_min_03.txt, 00_min_04.txt, 00_min_05.txt, 00_min_06.txt, 00_min_07.txt, 00_min_08.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 00_sample_05.txt, 01_rnd_00.txt, 01_rnd_01.txt, 01_rnd_02.txt, 01_rnd_03.txt, 01_rnd_04.txt, 01_rnd_05.txt, 01_rnd_06.txt, 01_rnd_07.txt, 01_rnd_08.txt, 01_rnd_09.txt, 01_rnd_10.txt, 01_rnd_11.txt, 01_rnd_12.txt, 01_rnd_13.txt, 01_rnd_14.txt, 01_rnd_15.txt, 01_rnd_16.txt, 01_rnd_17.txt, 01_rnd_18.txt, 01_rnd_19.txt, 02_rndhard_00.txt, 02_rndhard_01.txt, 02_rndhard_02.txt, 02_rndhard_03.txt, 02_rndhard_04.txt, 02_rndhard_05.txt, 02_rndhard_06.txt, 02_rndhard_07.txt, 02_rndhard_08.txt, 02_rndhard_09.txt, 02_rndhard_10.txt, 02_rndhard_11.txt, 02_rndhard_12.txt, 02_rndhard_13.txt, 02_rndhard_14.txt, 02_rndhard_15.txt, 02_rndhard_16.txt, 02_rndhard_17.txt, 02_rndhard_18.txt, 02_rndhard_19.txt, 02_rndhard_20.txt, 02_rndhard_21.txt, 02_rndhard_22.txt, 02_rndhard_23.txt, 02_rndhard_24.txt, 02_rndhard_25.txt, 02_rndhard_26.txt, 02_rndhard_27.txt, 02_rndhard_28.txt, 02_rndhard_29.txt, 02_rndhard_30.txt, 02_rndhard_31.txt, 02_rndhard_32.txt, 02_rndhard_33.txt, 02_rndhard_34.txt, 02_rndhard_35.txt, 02_rndhard_36.txt, 02_rndhard_37.txt, 02_rndhard_38.txt, 02_rndhard_39.txt, 03_rndhardsmall_00.txt, 03_rndhardsmall_01.txt, 03_rndhardsmall_02.txt, 03_rndhardsmall_03.txt, 03_rndhardsmall_04.txt, 03_rndhardsmall_05.txt, 03_rndhardsmall_06.txt, 03_rndhardsmall_07.txt, 03_rndhardsmall_08.txt, 03_rndhardsmall_09.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_min_01.txt | AC | 1 ms | 1152 KB |
00_min_02.txt | AC | 1 ms | 1152 KB |
00_min_03.txt | AC | 1 ms | 1152 KB |
00_min_04.txt | AC | 1 ms | 1152 KB |
00_min_05.txt | AC | 1 ms | 1152 KB |
00_min_06.txt | AC | 1 ms | 1152 KB |
00_min_07.txt | AC | 1 ms | 1152 KB |
00_min_08.txt | AC | 1 ms | 1152 KB |
00_sample_01.txt | AC | 1 ms | 1152 KB |
00_sample_02.txt | AC | 1 ms | 1152 KB |
00_sample_03.txt | AC | 1 ms | 1152 KB |
00_sample_04.txt | AC | 1 ms | 1152 KB |
00_sample_05.txt | AC | 1 ms | 1152 KB |
01_rnd_00.txt | AC | 1 ms | 1408 KB |
01_rnd_01.txt | AC | 5 ms | 1408 KB |
01_rnd_02.txt | AC | 5 ms | 1408 KB |
01_rnd_03.txt | AC | 5 ms | 1408 KB |
01_rnd_04.txt | AC | 5 ms | 1408 KB |
01_rnd_05.txt | AC | 4 ms | 1408 KB |
01_rnd_06.txt | AC | 5 ms | 1408 KB |
01_rnd_07.txt | AC | 5 ms | 1408 KB |
01_rnd_08.txt | AC | 2 ms | 1408 KB |
01_rnd_09.txt | AC | 3 ms | 1408 KB |
01_rnd_10.txt | AC | 4 ms | 1408 KB |
01_rnd_11.txt | AC | 1 ms | 1408 KB |
01_rnd_12.txt | AC | 5 ms | 1408 KB |
01_rnd_13.txt | AC | 5 ms | 1408 KB |
01_rnd_14.txt | AC | 4 ms | 1408 KB |
01_rnd_15.txt | AC | 5 ms | 1408 KB |
01_rnd_16.txt | AC | 1 ms | 1408 KB |
01_rnd_17.txt | AC | 5 ms | 1408 KB |
01_rnd_18.txt | AC | 2 ms | 1408 KB |
01_rnd_19.txt | AC | 5 ms | 1408 KB |
02_rndhard_00.txt | AC | 4 ms | 1408 KB |
02_rndhard_01.txt | AC | 4 ms | 1408 KB |
02_rndhard_02.txt | AC | 4 ms | 1408 KB |
02_rndhard_03.txt | AC | 4 ms | 1408 KB |
02_rndhard_04.txt | AC | 4 ms | 1408 KB |
02_rndhard_05.txt | AC | 5 ms | 1408 KB |
02_rndhard_06.txt | AC | 4 ms | 1408 KB |
02_rndhard_07.txt | AC | 4 ms | 1408 KB |
02_rndhard_08.txt | AC | 4 ms | 1408 KB |
02_rndhard_09.txt | AC | 4 ms | 1408 KB |
02_rndhard_10.txt | AC | 4 ms | 1408 KB |
02_rndhard_11.txt | AC | 4 ms | 1408 KB |
02_rndhard_12.txt | AC | 4 ms | 1408 KB |
02_rndhard_13.txt | AC | 4 ms | 1408 KB |
02_rndhard_14.txt | AC | 4 ms | 1408 KB |
02_rndhard_15.txt | AC | 4 ms | 1408 KB |
02_rndhard_16.txt | AC | 4 ms | 1408 KB |
02_rndhard_17.txt | AC | 4 ms | 1408 KB |
02_rndhard_18.txt | AC | 4 ms | 1408 KB |
02_rndhard_19.txt | AC | 4 ms | 1408 KB |
02_rndhard_20.txt | AC | 4 ms | 1408 KB |
02_rndhard_21.txt | AC | 4 ms | 1408 KB |
02_rndhard_22.txt | AC | 4 ms | 1408 KB |
02_rndhard_23.txt | AC | 4 ms | 1408 KB |
02_rndhard_24.txt | AC | 4 ms | 1408 KB |
02_rndhard_25.txt | AC | 5 ms | 1408 KB |
02_rndhard_26.txt | AC | 4 ms | 1408 KB |
02_rndhard_27.txt | AC | 4 ms | 1408 KB |
02_rndhard_28.txt | AC | 4 ms | 1408 KB |
02_rndhard_29.txt | AC | 4 ms | 1408 KB |
02_rndhard_30.txt | AC | 4 ms | 1408 KB |
02_rndhard_31.txt | AC | 4 ms | 1408 KB |
02_rndhard_32.txt | AC | 4 ms | 1408 KB |
02_rndhard_33.txt | AC | 4 ms | 1408 KB |
02_rndhard_34.txt | AC | 4 ms | 1408 KB |
02_rndhard_35.txt | AC | 4 ms | 1408 KB |
02_rndhard_36.txt | AC | 4 ms | 1408 KB |
02_rndhard_37.txt | AC | 4 ms | 1408 KB |
02_rndhard_38.txt | AC | 4 ms | 1408 KB |
02_rndhard_39.txt | AC | 4 ms | 1408 KB |
03_rndhardsmall_00.txt | AC | 1 ms | 1152 KB |
03_rndhardsmall_01.txt | AC | 1 ms | 1152 KB |
03_rndhardsmall_02.txt | AC | 1 ms | 1152 KB |
03_rndhardsmall_03.txt | AC | 1 ms | 1152 KB |
03_rndhardsmall_04.txt | AC | 1 ms | 1152 KB |
03_rndhardsmall_05.txt | AC | 1 ms | 1152 KB |
03_rndhardsmall_06.txt | AC | 1 ms | 1152 KB |
03_rndhardsmall_07.txt | AC | 1 ms | 1152 KB |
03_rndhardsmall_08.txt | AC | 1 ms | 1152 KB |
03_rndhardsmall_09.txt | AC | 1 ms | 1152 KB |