Submission #953604

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Source Code Expand

#include <stdio.h>
#include <algorithm>
#include <iostream>
#include <sstream>
#include <utility>
#include <cstdlib>
#include <cstring>
#include <cassert>
#include <fstream>
#include <bitset>
#include <cstdio>
#include <string>
#include <vector>
#include <queue>
#include <cmath>
#include <ctime>
#include <stack>
#include <map>
#include <set>
#if __cplusplus > 199711L
#include <unordered_set>
#include <unordered_map>
#include <tuple>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
//	tree<key, mapped = null_type, cmp = less<key>, rb_tree_tag, tree_order_statistics_node_update> name;
//	order_of_key
//	find_by_order
#endif

using namespace std;

#define pb push_back
#define ppb pop_back
#define mp make_pair
#define fs first
#define sc second
#define abs(a) ((a) < 0 ? -(a) : (a))
#define sqr(a) ((a) * (a))

typedef unsigned int uint;
typedef long long ll;
typedef unsigned long long ull;

inline pair<pair<bool, bool>, pair<string, bool> > useinout();

void initialization() {
#ifdef SOL
	if (useinout().fs.fs)
		freopen("input.txt", "r", stdin);
	if (useinout().fs.sc)
		freopen("output.txt", "w", stdout);
#else
	srand(time(0));
	const string file = useinout().sc.fs;
	if (!file.empty()) {
		freopen((file + ".in").c_str(), "r", stdin);
		freopen((file + ".out").c_str(), "w", stdout);
	}
	if(useinout().sc.sc) {
		freopen("input.txt", "r", stdin);
		freopen("output.txt", "w", stdout);
	}
#endif
}

int solve();

void finish(int exitval) {
	fflush(stdout);
#ifdef SOL
	fprintf(stderr, "\nexit value: %d\ntime: %.3lf ms\n", exitval, 1000. * clock() / CLOCKS_PER_SEC);
#endif
}

int main() {
	initialization();
	int exitval = solve();
	finish(exitval);
	return (0);
}

const double eps = 1e-9;
const int mod = (int) 1e+9 + 7;
const double pi = acos(-1.);
const int maxn = 100100;



int solve() {

	int n;
	scanf("%d\n", &n);
	string s, t, r;
	getline(cin, s);
	getline(cin, t);
	for (int i = 0; i <= n; i++) {
		bool ok = 1;
		for (int j = i; j < n; j++) {
			if (s[j] != t[j - i]) {
				ok = 0;
			}
		}
		if (ok) {
			for (int j = 0; j < i; j++) {
//				printf("%c", s[j]);
				r.pb(s[j]);
			}
//			printf("%s", t.c_str());
			r.append(t);
			printf("%d", (int) r.length());

			return (0);
		}
	}

	return (0);
}

inline pair<pair<bool, bool>, pair<string, bool> > useinout() {
	return (mp(mp(0, 0), mp("", 0)));
}

// by Andrey Kim

Submission Info

Compile Error

./Main.cpp: In function ‘void initialization()’:
./Main.cpp:57:46: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
   freopen((file + ".in").c_str(), "r", stdin);
                                              ^
./Main.cpp:58:48: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
   freopen((file + ".out").c_str(), "w", stdout);
                                                ^
./Main.cpp:61:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
   freopen("input.txt", "r", stdin);
                                   ^
./Main.cpp:62:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
   freopen("output.txt", "w", stdout);
          ...

Judge Result