Eroare de compilare: main.cpp: In function 'int main()': main.cpp:16:35: error: invalid conversion from 'char' to 'const char*' [-fpermissive] FILE *fin = fopen("panza.in", 'r'); ^ In file included from /usr/include/c++/6/cstdio:42:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:46, from main.cpp:1: /usr/include/stdio.h:272:14: note: initializing argument 2 of 'FILE* fopen(const char*, const char*)' extern FILE *fopen (const char *__restrict __filename, ^~~~~ main.cpp:21:41: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d%d", &n, &m, &s, &f); ^ main.cpp:23:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &cost[i]); ^ main.cpp:25:36: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &x[i], &y[i]); ^ Non zero exit status: 1