제출 #635240

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
635240	2022-08-25 17:35:55	youngyojun	Wombats (IOI13_wombats)	C++17	100 / 100	6561 ms	113352 KiB

wombats

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#include "wombats.h"
#include <bits/stdc++.h>
#define INF (0x3f3f3f3f)
using namespace std;
int A[5001][201], B[5001][201], C[5001][201];
int H, W, Q;
int fdi[201][201];
void f(int du[][201], int dd[][201], int dp[][201], int m) {
  for(int i = 1, r, ri; i <= W; i++) {
    r = INF;
    for(int j = 1, t; j <= W; j++) {
      t = du[i][j] + B[m][j] + dd[j][i];
      if(t < r) { r = t; ri = j; }
    }
    dp[i][i] = r; fdi[i][i] = ri;
  }
  for(int q = 1; q < W; q++) {
    for(int s = 1, e = q+1, r, ri, rie; e <= W; s++, e++) {
      r = INF; rie = fdi[s+1][e];
      for(int j = fdi[s][e-1], t; j <= rie; j++) {
        t = du[s][j] + B[m][j] + dd[j][e];
        if(t < r) { r = t; ri = j; }
      }
      dp[s][e] = r; fdi[s][e] = ri;
    }
    for(int s = q+1, e = 1, r, ri, rie; s <= W; s++, e++) {
      r = INF; rie = fdi[s][e+1];
 
 
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컴파일 시 표준 에러 (stderr) 메시지

grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
   15 |  int res;
      |      ^~~
wombats.cpp: In function 'void f(int (*)[201], int (*)[201], int (*)[201], int)':
wombats.cpp:35:28: warning: 'ri' may be used uninitialized in this function [-Wmaybe-uninitialized]
   35 |    dp[s][e] = r; fdi[s][e] = ri;
      |                  ~~~~~~~~~~^~~~
wombats.cpp:27:28: warning: 'ri' may be used uninitialized in this function [-Wmaybe-uninitialized]
   27 |    dp[s][e] = r; fdi[s][e] = ri;
      |                  ~~~~~~~~~~^~~~
wombats.cpp:18:27: warning: 'ri' may be used uninitialized in this function [-Wmaybe-uninitialized]
   18 |   dp[i][i] = r; fdi[i][i] = ri;
      |                 ~~~~~~~~~~^~~~

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