oj.uz

Submission #53699

# Submission time Handle Problem Language Result Execution time Memory
53699 2018-07-01T04:56:52 Z 김세빈(#1437) Type Printer (IOI08_printer) C++11
10 / 100
 40 ms 2312 KB 
#include <bits/stdc++.h>

using namespace std;

char V[1010101], s[22], str[30303][22];
int K[30303];
int n, p, ans, x, t;

bool comp(int ca, int cb)
{
	int i;
	
	for(i=0;i<20;i++){
		if(str[ca][i] != str[cb][i]){
			if(i == x){
				if(str[ca][i] == str[t][i]) return 0;
				if(str[cb][i] == str[t][i]) return 1;
			}
			return str[ca][i] < str[ca][i];
		}
	}
	
	return 0;
}

int main()
{
	int i, j, k, m=-1;
	int l, r;
	
	scanf("%d", &n);
	
	for(i=0;i<n;i++){
		scanf("%s",str[i]);
		k = strlen(str[i]);
		if(k > m) m = k, t = i;
		K[i] = i;
	}
	
	l = 0, r = n;
	
	for(x=0;x<20;x++){
		sort(K+l, K+r, comp);
		for(j=l; j<r; j++) if(K[j] == t) break;
		for(l=j; l >= 0 && str[K[l]][x] == str[t][x]; l--); l++;
		for(r=j; r < n && str[K[r]][x] == str[t][x]; r++);
	}
	
	for(i=0;i<n;i++){
		for(j=0;j<p && str[K[i]][j];j++) if(s[j] != str[K[i]][j]) break;
		for(;j<p;p--) V[ans++] = '-';
		for(;str[K[i]][j];j++) s[p++] = V[ans++] = str[K[i]][j];
		V[ans++] = 'P';
	}
	
	printf("%d\n", ans);
	
	for(i=0;i<ans;i++) printf("%c\n", V[i]);
	
	return 0;
}

Compilation message

printer.cpp: In function 'bool comp(int, int)':
printer.cpp:19:22: warning: self-comparison always evaluates to false [-Wtautological-compare]
    return str[ca][i] < str[ca][i];
           ~~~~~~~~~~~^~~~~~~~~~~~
printer.cpp: In function 'int main()':
printer.cpp:45:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   for(l=j; l >= 0 && str[K[l]][x] == str[t][x]; l--); l++;
   ^~~
printer.cpp:45:55: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   for(l=j; l >= 0 && str[K[l]][x] == str[t][x]; l--); l++;
                                                       ^
printer.cpp:31:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
printer.cpp:34:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",str[i]);
   ~~~~~^~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 452 KB Output is correct
2 Correct 3 ms 452 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 452 KB Output is correct
2 Incorrect 2 ms 452 KB Output isn't correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 488 KB Output is correct
2 Incorrect 2 ms 536 KB Output isn't correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 536 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 664 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 664 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 11 ms 868 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 1268 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 29 ms 2292 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 40 ms 2312 KB Output isn't correct
2 Halted 0 ms 0 KB -