Mujin Programming Challenge 2017

Submission #1355620

Source codeソースコード

#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using vi = vector<int>;
using db = double;
#define pb push_back

// 看了题解,发现当时想不出的原因主要不是倍长,而是倍长的前一步的DP没想清楚

const int mxn = 500006;
const int emp = 26;

char a[mxn];
int n;
int f[mxn][27]; // 无效均为0
int s[mxn][20];

int main() {
	scanf("%s", a + 1);
	n = strlen(a + 1);
	for (int i = 1; i <= n; ++i)
		a[i] -= 'a';
	
	for (int i = n; i >= 1; --i) {
		f[i][a[i]] = i + 1;
		for (int j = a[i] + 1; j <= 26; ++j)
			f[i][j] = f[f[i][j - 1]][j - 1];
		for (int j = 0; j < a[i]; ++j)
			f[i][j] = f[f[i][emp]][j];
	}
	
	for (int i = n; i >= 1; --i) {
		s[i][0] = f[i][emp];
		for (int j = 1; j < 20; ++j)
			s[i][j] = s[s[i][j - 1]][j - 1];
	}
	
	int q;
	cin >> q;
	while (q--) {
		int l, r;
		scanf("%d%d", &l, &r);
		++r;
		for (int i = 20; i--; ) if (s[l][i] && s[l][i] <= r)
			l = s[l][i];
		puts(l == r ? "Yes" : "No");
	}
	
	return 0;
}

Submission

Task問題 C - Robot and String
User nameユーザ名 tun
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 1300
Source lengthソースコード長 1035 Byte
File nameファイル名
Exec time実行時間 160 ms
Memory usageメモリ使用量 92928 KB

Compiler messageコンパイルメッセージ

./Main.cpp: In function ‘int main()’:
./Main.cpp:21:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%s", a + 1);
^
./Main.cpp:44:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &l, &r);
^

Test case

Set

Set name Score得点 / Max score Cases
Sample - 0_00.txt,0_01.txt,0_02.txt
All 1300 / 1300 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

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
0_00.txt AC 2 ms 4352 KB
0_01.txt AC 2 ms 4352 KB
0_02.txt AC 2 ms 4352 KB
1_00.txt AC 21 ms 4608 KB
1_01.txt AC 21 ms 4608 KB
1_02.txt AC 134 ms 92800 KB
1_03.txt AC 133 ms 92800 KB
1_04.txt AC 139 ms 92928 KB
1_05.txt AC 149 ms 92928 KB
1_06.txt AC 157 ms 92928 KB
1_07.txt AC 160 ms 92928 KB
1_08.txt AC 102 ms 92928 KB
1_09.txt AC 102 ms 92928 KB
1_10.txt AC 98 ms 92928 KB
1_11.txt AC 95 ms 92928 KB
1_12.txt AC 97 ms 92928 KB
1_13.txt AC 97 ms 92928 KB
1_14.txt AC 96 ms 92928 KB
1_15.txt AC 98 ms 92928 KB
1_16.txt AC 98 ms 92928 KB
1_17.txt AC 102 ms 92928 KB
1_18.txt AC 99 ms 92928 KB
1_19.txt AC 103 ms 92928 KB
1_20.txt AC 102 ms 92928 KB
1_21.txt AC 105 ms 92928 KB
1_22.txt AC 107 ms 92928 KB
1_23.txt AC 112 ms 92928 KB
1_24.txt AC 125 ms 92928 KB
1_25.txt AC 128 ms 92928 KB
1_26.txt AC 135 ms 92928 KB
1_27.txt AC 144 ms 92928 KB
1_28.txt AC 140 ms 92928 KB
1_29.txt AC 138 ms 92928 KB
1_30.txt AC 136 ms 92928 KB
1_31.txt AC 134 ms 92928 KB
1_32.txt AC 138 ms 92928 KB
1_33.txt AC 102 ms 92928 KB
1_34.txt AC 99 ms 92800 KB
1_35.txt AC 93 ms 92928 KB
1_36.txt AC 91 ms 92800 KB
1_37.txt AC 94 ms 92800 KB
1_38.txt AC 100 ms 92928 KB
1_39.txt AC 100 ms 92800 KB
1_40.txt AC 101 ms 92800 KB
1_41.txt AC 108 ms 92928 KB
1_42.txt AC 105 ms 92800 KB
1_43.txt AC 112 ms 92928 KB
1_44.txt AC 111 ms 92928 KB
1_45.txt AC 114 ms 92928 KB
1_46.txt AC 122 ms 92928 KB
1_47.txt AC 123 ms 92928 KB
1_48.txt AC 135 ms 92928 KB
1_49.txt AC 135 ms 92928 KB
1_50.txt AC 134 ms 92928 KB
1_51.txt AC 118 ms 92928 KB
1_52.txt AC 132 ms 92928 KB
1_53.txt AC 115 ms 92928 KB
1_54.txt AC 138 ms 92928 KB
1_55.txt AC 119 ms 92928 KB
1_56.txt AC 133 ms 92928 KB
1_57.txt AC 119 ms 92928 KB
1_58.txt AC 124 ms 92928 KB
1_59.txt AC 143 ms 92928 KB
1_60.txt AC 130 ms 92928 KB
1_61.txt AC 111 ms 92928 KB
1_62.txt AC 100 ms 92928 KB
1_63.txt AC 120 ms 92928 KB