Submission #1365484


Source Code Expand

#include <bits/stdc++.h>
#define xx first
#define yy second
#define mp make_pair
#define pb push_back
#define fill(x, y) memset(x, y, sizeof x)
#define copy(x, y) memcpy(x, y, sizeof x)
using namespace std;

typedef long long LL;
typedef pair < int, int > pa;

inline int read()
{
	int sc = 0, f = 1; char ch = getchar();
	while (ch < '0' || ch > '9') { if (ch == '-') f = -1; ch = getchar(); }
	while (ch >= '0' && ch <= '9') sc = sc * 10 + ch - '0', ch = getchar();
	return sc * f;
}

const int MAXN = 500005;

int n, Q, f[MAXN][26], g[19][MAXN];
char s[MAXN];

inline void init()
{
	for (int i = 0; i < 26; i ++) f[n + 1][i] = f[n + 2][i] = n + 2;
	g[0][n + 1] = g[0][n + 2] = n + 2; 
	for (int i = n; i; i --)
	{
		f[i][s[i] - 'a'] = i + 1;
		for (int j = s[i] - 'a' + 1; j < 26; j ++) f[i][j] = f[f[i][j - 1]][j - 1];
		g[0][i] = f[f[i][25]][25];
		for (int j = 0; j < s[i] - 'a'; j ++) f[i][j] = f[g[0][i]][j];
	}
	for (int j = 1; j <= 18; j ++)
		for (int i = 1; i <= n + 2; i ++)
			g[j][i] = g[j - 1][g[j - 1][i]];
}

int main()
{
#ifdef wxh010910
	freopen("data.in", "r", stdin);
#endif
	scanf("%s", s + 1); n = strlen(s + 1);
	init();
	for (Q = read(); Q; Q --)
	{
		int l = read(), r = read();
		for (int i = 18; ~i; i --) if (g[i][l] <= r + 1) l = g[i][l];
		puts(l == r + 1 ? "Yes" : "No");
	}
}

Submission Info

Submission Time
Task C - Robot and String
User wxh010910
Language C++14 (GCC 5.4.1)
Score 1300
Code Size 1365 Byte
Status AC
Exec Time 225 ms
Memory 88960 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:47:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", s + 1); n = strlen(s + 1);
                    ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 1300 / 1300
Status
AC × 3
AC × 67
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt
All 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt, 1_54.txt, 1_55.txt, 1_56.txt, 1_57.txt, 1_58.txt, 1_59.txt, 1_60.txt, 1_61.txt, 1_62.txt, 1_63.txt
Case Name Status Exec Time Memory
0_00.txt AC 9 ms 37120 KB
0_01.txt AC 9 ms 37120 KB
0_02.txt AC 9 ms 37120 KB
1_00.txt AC 21 ms 37376 KB
1_01.txt AC 19 ms 37376 KB
1_02.txt AC 225 ms 88960 KB
1_03.txt AC 211 ms 88960 KB
1_04.txt AC 218 ms 88960 KB
1_05.txt AC 216 ms 88960 KB
1_06.txt AC 166 ms 88960 KB
1_07.txt AC 167 ms 88960 KB
1_08.txt AC 187 ms 88960 KB
1_09.txt AC 183 ms 88960 KB
1_10.txt AC 173 ms 88960 KB
1_11.txt AC 172 ms 88960 KB
1_12.txt AC 183 ms 88960 KB
1_13.txt AC 164 ms 88960 KB
1_14.txt AC 173 ms 88960 KB
1_15.txt AC 177 ms 88960 KB
1_16.txt AC 183 ms 88960 KB
1_17.txt AC 179 ms 88960 KB
1_18.txt AC 183 ms 88960 KB
1_19.txt AC 195 ms 88960 KB
1_20.txt AC 181 ms 88960 KB
1_21.txt AC 171 ms 88960 KB
1_22.txt AC 176 ms 88960 KB
1_23.txt AC 187 ms 88960 KB
1_24.txt AC 189 ms 88960 KB
1_25.txt AC 167 ms 88960 KB
1_26.txt AC 159 ms 88960 KB
1_27.txt AC 173 ms 88960 KB
1_28.txt AC 179 ms 88960 KB
1_29.txt AC 164 ms 88960 KB
1_30.txt AC 174 ms 88960 KB
1_31.txt AC 164 ms 88960 KB
1_32.txt AC 141 ms 88960 KB
1_33.txt AC 140 ms 88960 KB
1_34.txt AC 181 ms 88576 KB
1_35.txt AC 187 ms 88576 KB
1_36.txt AC 172 ms 88576 KB
1_37.txt AC 173 ms 88576 KB
1_38.txt AC 160 ms 88960 KB
1_39.txt AC 152 ms 88960 KB
1_40.txt AC 139 ms 88576 KB
1_41.txt AC 121 ms 88960 KB
1_42.txt AC 135 ms 88576 KB
1_43.txt AC 128 ms 88960 KB
1_44.txt AC 133 ms 88832 KB
1_45.txt AC 139 ms 88704 KB
1_46.txt AC 140 ms 88832 KB
1_47.txt AC 141 ms 88704 KB
1_48.txt AC 162 ms 88960 KB
1_49.txt AC 173 ms 88960 KB
1_50.txt AC 208 ms 88960 KB
1_51.txt AC 188 ms 88960 KB
1_52.txt AC 198 ms 88960 KB
1_53.txt AC 143 ms 88960 KB
1_54.txt AC 181 ms 88960 KB
1_55.txt AC 213 ms 88960 KB
1_56.txt AC 186 ms 88960 KB
1_57.txt AC 171 ms 88960 KB
1_58.txt AC 168 ms 88960 KB
1_59.txt AC 195 ms 88960 KB
1_60.txt AC 143 ms 88960 KB
1_61.txt AC 190 ms 88960 KB
1_62.txt AC 158 ms 88960 KB
1_63.txt AC 141 ms 88960 KB