求助 8pts

zhang_kevin @ 2023-02-01 20:45:52

by zhang_kevin @ 2023-02-01 20:46:02

// Author: zhang_kevin
// Problem Name: P2830 写程序
// URL: https://www.luogu.com.cn/problem/P2830
// Memory Limit: 125 MB
// Time Limit: 1000 ms
// Created: 2023-02-01 18:16:20

#include<bits/stdc++.h>
using namespace std;
struct arr{
    int len;
    int val[101];
};
map<string, arr> g;
inline int getType(string s){
    if(s.substr(0, 5) == "cout ") return 3;
    if(s.substr(0, 4) == "int ") return 1;
    return 2;
}
inline void get(string s, string &name, int &pos){
    if(isdigit(s[s.size()-1])){
        name = "114514_NON_NAME";
        pos = stoi(s);
        return;
    }
    if(isdigit(s[s.size()-2])){
        s.pop_back();
        name = "";
        string ssz = "";
        int l = 0;
        while(s[l] != '[') name += s[l], l++;
        for(int i = l + 1; i < (int)s.size(); i++){
            ssz += s[i];
        }
        pos = stoi(ssz);
        return;
    }
    s.pop_back();
    string realname = "";
    int l = 0;
    while(s[l] != '[') realname += s[l], l++;
    s = s.substr(l+1, s.size() - l - 1);
    int realpos = 0;
    get(s, name, pos);
    if(pos > g[name].len - 1) puts("-1"), exit(0);
    realpos = g[name].val[pos];
    name = realname;
    pos = realpos;
    return;
}
int main(){
    string s;
    while(getline(cin, s)){
        int type = getType(s);
        if(type == 1){
            int len = 0;
            for(int i = 4; s[i] != '['; i++) len++;
            string name = s.substr(4, len);
            while(s[s.size()-1] == '\r' || s[s.size()-1] == '\n'){
                s.pop_back();
            }
            string ssz = s.substr(5+len, s.size()-(5+len)-1);
            int isz = stoi(ssz);
            g[name].len = isz;
        }else if(type == 3){
            s = s.substr(1, s.size()-1);
            int len = 0;
            for(int i = 4; s[i] != '['; i++) len++;
            string name = s.substr(4, len);
            while(s[s.size()-1] == '\r' || s[s.size()-1] == '\n'){
                s.pop_back();
            }
            string ssz = s.substr(5+len, s.size()-(5+len)-1);
            int isz = stoi(ssz);
            if(isz > g[name].len - 1) puts("-1"), exit(0);
            cout << g[name].val[isz] << endl;
        }else{
            int space = s.find(32);
            string s1 = s.substr(0, space);
            string s2 = s.substr(space+1, s.size()-space-1);
            string name1, name2;
            int pos1, pos2;
            get(s1, name1, pos1);
            get(s2, name2, pos2);
            if(name2 == "114514_NON_NAME"){
                if(pos1 > g[name1].len - 1){
                    puts("-1");
                    exit(0);
                }
                g[name1].val[pos1] = pos2;
                continue;
            }
            if(pos1 > g[name1].len - 1 || pos2 > g[name2].len - 1){
                puts("-1");
                exit(0);
            }
            g[name1].val[pos1] = g[name2].val[pos2];
        }
    }
    return 0;
}

by yszkddzyh @ 2023-02-01 20:51:47

@zhang_kevin RE的提示是不是“Runtime Error. Received signal 6: Aborted / IOT trap.”

by zhang_kevin @ 2023-02-01 20:52:33

@yszkddzyh 对

by yszkddzyh @ 2023-02-01 20:53:48

@zhang_kevin 应该是洛谷评测机出锅了，我前天试了也是这样，要把 string 改成字符数组。