/// 010-5330-7849
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <iostream>
#include <algorithm>
#include <vector>
#include <stack>
#include <deque>
#include <queue>
#include <set>
#include <map>
#include <unordered_map>
#include <bitset>
#include <string>
#include <tuple>
#define rf(x) (x)=0;while(*p<48)im=*p=='-';while(47<*p)(x)=((x)<<3)+((x)<<1)+(*p++&15);if(im)(x)=-(x);
#define pb push_back
#define sz(V) ((int)(V).size())
#define allv(V) ((V).begin()),((V).end())
#define befv(V) ((V)[(sz(V)-2)])
#define sorv(V) sort(allv(V))
#define revv(V) reverse(allv(V))
#define univ(V) (V).erase(unique(allv(V)),(V).end())
#define clv(V) (V).clear()
#define upmin(a,b) (a)=min((a),(b))
#define upmax(a,b) (a)=max((a),(b))
#define rb(x) ((x)&(-(x)))
#define INF (0x3f3f3f3f)
#define INFLL (0x3f3f3f3f3f3f3f3fll)
#define MAXN (10005)
#define MAXM (10005)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<int, ll> pil;
typedef pair<ll, int> pli;
char A[MAXM][2]; int B[MAXM][2];
char C[MAXM], D[MAXN];
char str[MAXM];
int N, M;
char& read(char x, int i) { return ('x' == x) ? D[i] : C[i]; }
char& read(int i, int j) { return read(A[i][j], B[i][j]); }
bool f() {
for(int i = 1; i <= M; i++) C[i] = str[i];
fill(D+1, D+N+1, '?');
for(int i = M; i; i--) {
if('0' == C[i]) {
if('1' == read(i, 0) || '1' == read(i, 1)) return false;
read(i, 0) = read(i, 1) = '0';
}
else if('1' == C[i]) {
if('0' == read(i, 0) && '0' == read(i, 1)) return false;
if('0' == read(i, 0)) read(i, 1) = '1';
else if('0' == read(i, 1)) read(i, 0) = '1';
}
}
for(int i = 1; i <= M; i++) {
if('0' == C[i]) {
if('1' == read(i, 0) || '1' == read(i, 1)) return false;
read(i, 0) = read(i, 1) = '0';
} else if('1' == C[i]) {
if('0' == read(i, 0) && '0' == read(i, 1)) return false;
if('?' == read(i, 0)) read(i, 0) = '1';
if('?' == read(i, 1)) read(i, 1) = '1';
} else {
if('0' == read(i, 0) && '0' == read(i, 0)) C[i] = '0';
else {
if('?' == read(i, 0)) read(i, 0) = '1';
if('?' == read(i, 1)) read(i, 1) = '1';
C[i] = '1';
}
}
}
return true;
}
int main() {
scanf("%d%d %s", &N, &M, str+1);
for(int i = 1; i <= M; i++) {
for(int j = 0; j < 2; j++) {
scanf(" %c%d", &A[i][j], &B[i][j]);
}
}
for(int i = 1; i <= M; i++) {
if('?' != str[i]) { putchar(str[i]); continue; }
str[i] = '0'; bool bumsoo1 = f();
str[i] = '1'; bool bumsoo2 = f(); str[i] = '?';
if(bumsoo1 && !bumsoo2) putchar('0');
else if(!bumsoo1 && bumsoo2) putchar('1');
else putchar('?');
}
putchar('\n');
return 0;
}
Compilation message
ili.cpp: In function 'int main()':
ili.cpp:83:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d %s", &N, &M, str+1);
^
ili.cpp:86:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf(" %c%d", &A[i][j], &B[i][j]);
^
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
0 ms |
2144 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
0 ms |
2144 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
0 ms |
2144 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
